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Finding the Third Proportional to 13,656 and 29,877

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Solution

The third proportional to 13,656 and 29,877 is: 65,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656 : 29,877 = 29,877 : x
  2. Step 2: Convert to fraction form
    13,656/29,877 = 29,877/x
  3. Step 3: Cross multiply
    13,656x = 29,877 × 29,877
  4. Step 4: Simplify right side
    13,656x = 892,635,129
  5. Step 5: Solve for x
    x = 892,635,129/13,656
  6. Step 6: Final answer
    x = 65,365.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.