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Finding the Third Proportional to 26,976 and 40,839

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Solution

The third proportional to 26,976 and 40,839 is: 61,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,976 : 40,839 = 40,839 : x
  2. Step 2: Convert to fraction form
    26,976/40,839 = 40,839/x
  3. Step 3: Cross multiply
    26,976x = 40,839 × 40,839
  4. Step 4: Simplify right side
    26,976x = 1,667,823,921
  5. Step 5: Solve for x
    x = 1,667,823,921/26,976
  6. Step 6: Final answer
    x = 61,826.21

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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.