Finding the Third Proportional to 217 and 404.50
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Solution
The third proportional to 217 and 404.50 is: 754.01
Step by Step Solution
- Step 1: Write the proportion equation
217 : 404.50 = 404.50 : x - Step 2: Convert to fraction form
217/404.50 = 404.50/x - Step 3: Cross multiply
217x = 404.50 × 404.50 - Step 4: Simplify right side
217x = 163,620.25 - Step 5: Solve for x
x = 163,620.25/217 - Step 6: Final answer
x = 754.01
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Why These Related Problems?
These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.