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Finding the Third Proportional to 57,211.31 and 88,512.75

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Solution

The third proportional to 57,211.31 and 88,512.75 is: 136,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,211.31 : 88,512.75 = 88,512.75 : x
  2. Step 2: Convert to fraction form
    57,211.31/88,512.75 = 88,512.75/x
  3. Step 3: Cross multiply
    57,211.31x = 88,512.75 × 88,512.75
  4. Step 4: Simplify right side
    57,211.31x = 7,834,506,912.56
  5. Step 5: Solve for x
    x = 7,834,506,912.56/57,211.31
  6. Step 6: Final answer
    x = 136,939.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.