Finding the Third Proportional to 391,612,438.13 and 587,418,729.75
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Solution
The third proportional to 391,612,438.13 and 587,418,729.75 is: 881,128,203.47
Step by Step Solution
- Step 1: Write the proportion equation
391,612,438.13 : 587,418,729.75 = 587,418,729.75 : x - Step 2: Convert to fraction form
391,612,438.13/587,418,729.75 = 587,418,729.75/x - Step 3: Cross multiply
391,612,438.13x = 587,418,729.75 × 587,418,729.75 - Step 4: Simplify right side
391,612,438.13x = 345,060,764,061,103,552 - Step 5: Solve for x
x = 345,060,764,061,103,552/391,612,438.13 - Step 6: Final answer
x = 881,128,203.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.