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Finding the Third Proportional to 81,246.75 and 110,691.75

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Solution

The third proportional to 81,246.75 and 110,691.75 is: 150,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,246.75 : 110,691.75 = 110,691.75 : x
  2. Step 2: Convert to fraction form
    81,246.75/110,691.75 = 110,691.75/x
  3. Step 3: Cross multiply
    81,246.75x = 110,691.75 × 110,691.75
  4. Step 4: Simplify right side
    81,246.75x = 12,252,663,518.06
  5. Step 5: Solve for x
    x = 12,252,663,518.06/81,246.75
  6. Step 6: Final answer
    x = 150,808.04

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.