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Finding the Third Proportional to 57,250.13 and 81,261.75

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Solution

The third proportional to 57,250.13 and 81,261.75 is: 115,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,250.13 : 81,261.75 = 81,261.75 : x
  2. Step 2: Convert to fraction form
    57,250.13/81,261.75 = 81,261.75/x
  3. Step 3: Cross multiply
    57,250.13x = 81,261.75 × 81,261.75
  4. Step 4: Simplify right side
    57,250.13x = 6,603,472,013.06
  5. Step 5: Solve for x
    x = 6,603,472,013.06/57,250.13
  6. Step 6: Final answer
    x = 115,344.24

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.