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Finding the Third Proportional to 13,717.13 and 18,388.13

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Solution

The third proportional to 13,717.13 and 18,388.13 is: 24,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.13 : 18,388.13 = 18,388.13 : x
  2. Step 2: Convert to fraction form
    13,717.13/18,388.13 = 18,388.13/x
  3. Step 3: Cross multiply
    13,717.13x = 18,388.13 × 18,388.13
  4. Step 4: Simplify right side
    13,717.13x = 338,123,141.02
  5. Step 5: Solve for x
    x = 338,123,141.02/13,717.13
  6. Step 6: Final answer
    x = 24,649.71

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.