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Finding the Third Proportional to 81,347.20 and 168,844.92

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Solution

The third proportional to 81,347.20 and 168,844.92 is: 350,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,347.20 : 168,844.92 = 168,844.92 : x
  2. Step 2: Convert to fraction form
    81,347.20/168,844.92 = 168,844.92/x
  3. Step 3: Cross multiply
    81,347.20x = 168,844.92 × 168,844.92
  4. Step 4: Simplify right side
    81,347.20x = 28,508,607,642.97
  5. Step 5: Solve for x
    x = 28,508,607,642.97/81,347.20
  6. Step 6: Final answer
    x = 350,455.90

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.