Finding the Third Proportional to 391,612,454 and 587,418,750
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Solution
The third proportional to 391,612,454 and 587,418,750 is: 881,128,228.50
Step by Step Solution
- Step 1: Write the proportion equation
391,612,454 : 587,418,750 = 587,418,750 : x - Step 2: Convert to fraction form
391,612,454/587,418,750 = 587,418,750/x - Step 3: Cross multiply
391,612,454x = 587,418,750 × 587,418,750 - Step 4: Simplify right side
391,612,454x = 345,060,787,851,562,496 - Step 5: Solve for x
x = 345,060,787,851,562,496/391,612,454 - Step 6: Final answer
x = 881,128,228.50
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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.