Finding the Third Proportional to 261,397.13 and 387,237.38
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Solution
The third proportional to 261,397.13 and 387,237.38 is: 573,658.89
Step by Step Solution
- Step 1: Write the proportion equation
261,397.13 : 387,237.38 = 387,237.38 : x - Step 2: Convert to fraction form
261,397.13/387,237.38 = 387,237.38/x - Step 3: Cross multiply
261,397.13x = 387,237.38 × 387,237.38 - Step 4: Simplify right side
261,397.13x = 149,952,784,596.89 - Step 5: Solve for x
x = 149,952,784,596.89/261,397.13 - Step 6: Final answer
x = 573,658.89
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These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.