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Finding the Third Proportional to 25,879 and 38,949

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Solution

The third proportional to 25,879 and 38,949 is: 58,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,879 : 38,949 = 38,949 : x
  2. Step 2: Convert to fraction form
    25,879/38,949 = 38,949/x
  3. Step 3: Cross multiply
    25,879x = 38,949 × 38,949
  4. Step 4: Simplify right side
    25,879x = 1,517,024,601
  5. Step 5: Solve for x
    x = 1,517,024,601/25,879
  6. Step 6: Final answer
    x = 58,619.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.