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Finding the Third Proportional to 87,799,331 and 189,083,947

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Solution

The third proportional to 87,799,331 and 189,083,947 is: 407,209,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,799,331 : 189,083,947 = 189,083,947 : x
  2. Step 2: Convert to fraction form
    87,799,331/189,083,947 = 189,083,947/x
  3. Step 3: Cross multiply
    87,799,331x = 189,083,947 × 189,083,947
  4. Step 4: Simplify right side
    87,799,331x = 35,752,739,013,098,808
  5. Step 5: Solve for x
    x = 35,752,739,013,098,808/87,799,331
  6. Step 6: Final answer
    x = 407,209,697.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.