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Finding the Third Proportional to 18,750.75 and 22,449

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Solution

The third proportional to 18,750.75 and 22,449 is: 26,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.75 : 22,449 = 22,449 : x
  2. Step 2: Convert to fraction form
    18,750.75/22,449 = 22,449/x
  3. Step 3: Cross multiply
    18,750.75x = 22,449 × 22,449
  4. Step 4: Simplify right side
    18,750.75x = 503,957,601
  5. Step 5: Solve for x
    x = 503,957,601/18,750.75
  6. Step 6: Final answer
    x = 26,876.66

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.