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Finding the Third Proportional to 13,787 and 29,908

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Solution

The third proportional to 13,787 and 29,908 is: 64,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787 : 29,908 = 29,908 : x
  2. Step 2: Convert to fraction form
    13,787/29,908 = 29,908/x
  3. Step 3: Cross multiply
    13,787x = 29,908 × 29,908
  4. Step 4: Simplify right side
    13,787x = 894,488,464
  5. Step 5: Solve for x
    x = 894,488,464/13,787
  6. Step 6: Final answer
    x = 64,879.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.