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Finding the Third Proportional to 6,651 and 13,839

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Solution

The third proportional to 6,651 and 13,839 is: 28,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651 : 13,839 = 13,839 : x
  2. Step 2: Convert to fraction form
    6,651/13,839 = 13,839/x
  3. Step 3: Cross multiply
    6,651x = 13,839 × 13,839
  4. Step 4: Simplify right side
    6,651x = 191,517,921
  5. Step 5: Solve for x
    x = 191,517,921/6,651
  6. Step 6: Final answer
    x = 28,795.36

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.