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Finding the Third Proportional to 25,921 and 38,874

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Solution

The third proportional to 25,921 and 38,874 is: 58,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921 : 38,874 = 38,874 : x
  2. Step 2: Convert to fraction form
    25,921/38,874 = 38,874/x
  3. Step 3: Cross multiply
    25,921x = 38,874 × 38,874
  4. Step 4: Simplify right side
    25,921x = 1,511,187,876
  5. Step 5: Solve for x
    x = 1,511,187,876/25,921
  6. Step 6: Final answer
    x = 58,299.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.