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Finding the Third Proportional to 57,631.50 and 124,152.75

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Solution

The third proportional to 57,631.50 and 124,152.75 is: 267,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,631.50 : 124,152.75 = 124,152.75 : x
  2. Step 2: Convert to fraction form
    57,631.50/124,152.75 = 124,152.75/x
  3. Step 3: Cross multiply
    57,631.50x = 124,152.75 × 124,152.75
  4. Step 4: Simplify right side
    57,631.50x = 15,413,905,332.56
  5. Step 5: Solve for x
    x = 15,413,905,332.56/57,631.50
  6. Step 6: Final answer
    x = 267,456.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.