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constant of proportionality

Noun 1. constant of proportionality - the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality
factor of proportionality
constant - a number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant"
Planck's constant, h - the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second
factor - any of the numbers (or symbols) that form a product when multiplied together. [Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.]

"In mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant. The constant is called the coefficient of proportionality or proportionality constant.
  • If one variable is always the product of the other and a constant, the two are said to be directly proportional. x and y are directly proportional if the ratio y/x is constant.
  • If the product of the two variables is always equal to a constant, the two are said to be inversely proportional. x and y are inversely proportional if the product x/y is constant.
  • If a linear function transforms 0, a and b into 0, c and d, and if the product a b c d is not zero, we say a and b are proportional to c and d. An equality of two ratios such as a/c = b/d, where no term is zero, is called a proportion." Wikipedia, Proportionality

See Also

3.13 - Reciprocals and Proportions of Motions and Substance
6.8 - Proportionate and Relative Geometries
9.12 - Velocity of Sound and its Propagation Rate are Proportional
12.00 - Reciprocating Proportionality
13.15 - Principle of Proportion
Figure 14.10 - Proportionate Tonal Relations dictate Contraction or Expansion
Figure 6.17 - Areas and Volumes - Relations and Proportions
Figure 6.19 - Sphere to Cube - Relations and Proportions
Law of Definite Proportions
law of multiple proportions
Locked Potentials and Subdivisions
Locked Potentials and the Square Law
Part 12 - Russells Locked Potentials
Plancks Constant
Proportion
Reciprocating Proportionality
Scale of Locked Potentials
Table 2 - Controlling Modes and Proportions

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