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A ratio is a comparison of two numbers. We generally separate the two numbers in the ratio with a colon (:) or write it as a fraction. A proportion is one equality with a ratio on both sides. A perc ...

Identify proportions by cross multiplying or simplifying ratios.

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Wir stellen Ihnen einen nützlichen Online-Dreisatzrechner vor, mit dem Sie direkte und inverse Dreisatzsätze erstellen können, sowohl einfache als auch zusammengesetzte Regeln.

You'll learn the concepts of proportional quantities and the fundamental rules of proportionality that allow us to solve problems whose statements pose some difficulty.

Proportional distributions: ...