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Finding the Third Proportional to 26,721 and 39,937.50

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Solution

The third proportional to 26,721 and 39,937.50 is: 59,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721 : 39,937.50 = 39,937.50 : x
  2. Step 2: Convert to fraction form
    26,721/39,937.50 = 39,937.50/x
  3. Step 3: Cross multiply
    26,721x = 39,937.50 × 39,937.50
  4. Step 4: Simplify right side
    26,721x = 1,595,003,906.25
  5. Step 5: Solve for x
    x = 1,595,003,906.25/26,721
  6. Step 6: Final answer
    x = 59,691.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.