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Finding the Third Proportional to 26,438 and 38,924

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Solution

The third proportional to 26,438 and 38,924 is: 57,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438 : 38,924 = 38,924 : x
  2. Step 2: Convert to fraction form
    26,438/38,924 = 38,924/x
  3. Step 3: Cross multiply
    26,438x = 38,924 × 38,924
  4. Step 4: Simplify right side
    26,438x = 1,515,077,776
  5. Step 5: Solve for x
    x = 1,515,077,776/26,438
  6. Step 6: Final answer
    x = 57,306.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.