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Finding the Third Proportional to 81,807,276 and 130,234,374

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Solution

The third proportional to 81,807,276 and 130,234,374 is: 207,328,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,807,276 : 130,234,374 = 130,234,374 : x
  2. Step 2: Convert to fraction form
    81,807,276/130,234,374 = 130,234,374/x
  3. Step 3: Cross multiply
    81,807,276x = 130,234,374 × 130,234,374
  4. Step 4: Simplify right side
    81,807,276x = 16,960,992,171,171,876
  5. Step 5: Solve for x
    x = 16,960,992,171,171,876/81,807,276
  6. Step 6: Final answer
    x = 207,328,650.95

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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.