# Category:Proportion

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This category contains results about **Proportion**.

Definitions specific to this category can be found in Definitions/Proportion.

Two real variables $x$ and $y$ are **proportional** if and only if one is a constant multiple of the other:

- $\forall x, y \in \R: x \propto y \iff \exists k \in \R, k \ne 0: x = k y$

## Pages in category "Proportion"

The following 7 pages are in this category, out of 7 total.