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Finding the Third Proportional to 9,937.69 and 13,537.13

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Solution

The third proportional to 9,937.69 and 13,537.13 is: 18,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,937.69 : 13,537.13 = 13,537.13 : x
  2. Step 2: Convert to fraction form
    9,937.69/13,537.13 = 13,537.13/x
  3. Step 3: Cross multiply
    9,937.69x = 13,537.13 × 13,537.13
  4. Step 4: Simplify right side
    9,937.69x = 183,253,753.27
  5. Step 5: Solve for x
    x = 183,253,753.27/9,937.69
  6. Step 6: Final answer
    x = 18,440.28

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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.