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Finding the Third Proportional to 59,143,560 and 129,436,392

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Solution

The third proportional to 59,143,560 and 129,436,392 is: 283,273,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,143,560 : 129,436,392 = 129,436,392 : x
  2. Step 2: Convert to fraction form
    59,143,560/129,436,392 = 129,436,392/x
  3. Step 3: Cross multiply
    59,143,560x = 129,436,392 × 129,436,392
  4. Step 4: Simplify right side
    59,143,560x = 16,753,779,573,977,664
  5. Step 5: Solve for x
    x = 16,753,779,573,977,664/59,143,560
  6. Step 6: Final answer
    x = 283,273,099.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.