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Finding the Third Proportional to 87,359,775.75 and 139,073,731.88

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Solution

The third proportional to 87,359,775.75 and 139,073,731.88 is: 221,400,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,359,775.75 : 139,073,731.88 = 139,073,731.88 : x
  2. Step 2: Convert to fraction form
    87,359,775.75/139,073,731.88 = 139,073,731.88/x
  3. Step 3: Cross multiply
    87,359,775.75x = 139,073,731.88 × 139,073,731.88
  4. Step 4: Simplify right side
    87,359,775.75x = 19,341,502,897,639,392
  5. Step 5: Solve for x
    x = 19,341,502,897,639,392/87,359,775.75
  6. Step 6: Final answer
    x = 221,400,555.71

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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.