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Proportionality

From Simple English Wikipedia, the free encyclopedia
For the corresponding concept related to ratio, seeProportions.

Aproportionality relationship happens when twoquantities ornumbersx andy are related multiplicatively by a fixed number. This can occur when either their ratiox/y is a fixed number (direct proportionality), or their productxy is a fixed number (inverse proportionality). Ifx is directly proportional toy, then we writex∝y{\displaystyle x\propto y}.[1] The fixed number of a proportionality relationship is called the constant of proportionality.[2][3]

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References

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  1. ↑"Compendium of Mathematical Symbols".Math Vault. 2020-03-01. Retrieved2020-09-20.
  2. ↑Weisstein, Eric W."Proportional".mathworld.wolfram.com. Retrieved2020-09-20.
  3. ↑"Directly Proportional and Inversely Proportional".www.mathsisfun.com. Retrieved2020-09-20.
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