## Calculate cross multiply proportions, ratios, sizes,...

This very simple extension enables you to calculate proportional values, using the cross multiplication rule / vector cross product calculation, also known as the Rule of Three calculation.
Can be used to resize images, videos, ... with proportional values.

### About Extpose

Extpose is a service for Chrome extension publishers.

It helps tracking and optimizing browser extension performance in Chrome Web Store.

The most valuable features are available after creating an account.

Learn moreIf you are not an extension developer and want to install this extension please proceed to Chrome Web Store

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