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Finding the Third Proportional to 81,807,412 and 130,234,562

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Solution

The third proportional to 81,807,412 and 130,234,562 is: 207,328,904.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,807,412 : 130,234,562 = 130,234,562 : x
  2. Step 2: Convert to fraction form
    81,807,412/130,234,562 = 130,234,562/x
  3. Step 3: Cross multiply
    81,807,412x = 130,234,562 × 130,234,562
  4. Step 4: Simplify right side
    81,807,412x = 16,961,041,139,331,844
  5. Step 5: Solve for x
    x = 16,961,041,139,331,844/81,807,412
  6. Step 6: Final answer
    x = 207,328,904.86

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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.