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Finding the Third Proportional to 81,807,404 and 130,234,550

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Solution

The third proportional to 81,807,404 and 130,234,550 is: 207,328,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,807,404 : 130,234,550 = 130,234,550 : x
  2. Step 2: Convert to fraction form
    81,807,404/130,234,550 = 130,234,550/x
  3. Step 3: Cross multiply
    81,807,404x = 130,234,550 × 130,234,550
  4. Step 4: Simplify right side
    81,807,404x = 16,961,038,013,702,500
  5. Step 5: Solve for x
    x = 16,961,038,013,702,500/81,807,404
  6. Step 6: Final answer
    x = 207,328,886.93

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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.