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Finding the Third Proportional to 3,759.75 and 9,865.13

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Solution

The third proportional to 3,759.75 and 9,865.13 is: 25,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.75 : 9,865.13 = 9,865.13 : x
  2. Step 2: Convert to fraction form
    3,759.75/9,865.13 = 9,865.13/x
  3. Step 3: Cross multiply
    3,759.75x = 9,865.13 × 9,865.13
  4. Step 4: Simplify right side
    3,759.75x = 97,320,691.27
  5. Step 5: Solve for x
    x = 97,320,691.27/3,759.75
  6. Step 6: Final answer
    x = 25,884.88

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Why These Related Problems?

These problems maintain the same ratio (2.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.