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Finding the Third Proportional to 11,937.38 and 22,113

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Solution

The third proportional to 11,937.38 and 22,113 is: 40,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.38 : 22,113 = 22,113 : x
  2. Step 2: Convert to fraction form
    11,937.38/22,113 = 22,113/x
  3. Step 3: Cross multiply
    11,937.38x = 22,113 × 22,113
  4. Step 4: Simplify right side
    11,937.38x = 488,984,769
  5. Step 5: Solve for x
    x = 488,984,769/11,937.38
  6. Step 6: Final answer
    x = 40,962.50

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.