Finding the Third Proportional to 391,959 and 586,419.75
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Solution
The third proportional to 391,959 and 586,419.75 is: 877,357.38
Step by Step Solution
- Step 1: Write the proportion equation
391,959 : 586,419.75 = 586,419.75 : x - Step 2: Convert to fraction form
391,959/586,419.75 = 586,419.75/x - Step 3: Cross multiply
391,959x = 586,419.75 × 586,419.75 - Step 4: Simplify right side
391,959x = 343,888,123,190.06 - Step 5: Solve for x
x = 343,888,123,190.06/391,959 - Step 6: Final answer
x = 877,357.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.