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Finding the Third Proportional to 38,616 and 51,651

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Solution

The third proportional to 38,616 and 51,651 is: 69,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,616 : 51,651 = 51,651 : x
  2. Step 2: Convert to fraction form
    38,616/51,651 = 51,651/x
  3. Step 3: Cross multiply
    38,616x = 51,651 × 51,651
  4. Step 4: Simplify right side
    38,616x = 2,667,825,801
  5. Step 5: Solve for x
    x = 2,667,825,801/38,616
  6. Step 6: Final answer
    x = 69,086.02

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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.