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Finding the Third Proportional to 3,759 and 8,238

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Solution

The third proportional to 3,759 and 8,238 is: 18,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759 : 8,238 = 8,238 : x
  2. Step 2: Convert to fraction form
    3,759/8,238 = 8,238/x
  3. Step 3: Cross multiply
    3,759x = 8,238 × 8,238
  4. Step 4: Simplify right side
    3,759x = 67,864,644
  5. Step 5: Solve for x
    x = 67,864,644/3,759
  6. Step 6: Final answer
    x = 18,053.91

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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.