Finding the Third Proportional to 261,755.25 and 415,151.63
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Solution
The third proportional to 261,755.25 and 415,151.63 is: 658,442.85
Step by Step Solution
- Step 1: Write the proportion equation
261,755.25 : 415,151.63 = 415,151.63 : x - Step 2: Convert to fraction form
261,755.25/415,151.63 = 415,151.63/x - Step 3: Cross multiply
261,755.25x = 415,151.63 × 415,151.63 - Step 4: Simplify right side
261,755.25x = 172,350,871,740.14 - Step 5: Solve for x
x = 172,350,871,740.14/261,755.25 - Step 6: Final answer
x = 658,442.85
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.