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Ratio and Proportion
Ratio and proportion between two quantities
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Ratio
The ratio between two quantities is the quotient obtained by dividing the first quantity by the second.
Example - the Ratio
The ratio between 3 and 6 can be expressed as
1 / 2 = 0.5
Ratio can also be indicated by the sign ":" - like 1 : 2.
Reciprocal or Inverse Ratio
The reciprocal or inverse ratio is the opposite of the original ratio.
Example the Inverse Ratio
The inverse ratio between 6 and 3 can be expressed as
2 : 1 = 2
Proportion
Proportion is the equality of ratios.
Example - Proportion
1 : 2 = 2 : 4
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Related Topics
- Basics - Basic Information as SI-system, Unit converters, Physical constants...
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