Ratios and Proportions

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A ratio is a comparison of two quantities. A proportion is an equation stating that two ratios are equal.

On the TEAS 7 Exam

Used frequently in dosage calculation questions. You must solve for X (e.g., if 5ml = 10mg, how many ml is 25mg?).

This topic appears on the ATI TEAS 7 exam. See how your state scores compare and find out where you stand.