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Finding the Third Proportional to 81,168.75 and 110,575.13

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Solution

The third proportional to 81,168.75 and 110,575.13 is: 150,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,168.75 : 110,575.13 = 110,575.13 : x
  2. Step 2: Convert to fraction form
    81,168.75/110,575.13 = 110,575.13/x
  3. Step 3: Cross multiply
    81,168.75x = 110,575.13 × 110,575.13
  4. Step 4: Simplify right side
    81,168.75x = 12,226,858,268.77
  5. Step 5: Solve for x
    x = 12,226,858,268.77/81,168.75
  6. Step 6: Final answer
    x = 150,635.04

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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.