Finding the Third Proportional to 136.69 and 296.16
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Solution
The third proportional to 136.69 and 296.16 is: 641.67
Step by Step Solution
- Step 1: Write the proportion equation
136.69 : 296.16 = 296.16 : x - Step 2: Convert to fraction form
136.69/296.16 = 296.16/x - Step 3: Cross multiply
136.69x = 296.16 × 296.16 - Step 4: Simplify right side
136.69x = 87,708.52 - Step 5: Solve for x
x = 87,708.52/136.69 - Step 6: Final answer
x = 641.67
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.