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Finding the Third Proportional to 60,378.38 and 132,708.75

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Solution

The third proportional to 60,378.38 and 132,708.75 is: 291,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,378.38 : 132,708.75 = 132,708.75 : x
  2. Step 2: Convert to fraction form
    60,378.38/132,708.75 = 132,708.75/x
  3. Step 3: Cross multiply
    60,378.38x = 132,708.75 × 132,708.75
  4. Step 4: Simplify right side
    60,378.38x = 17,611,612,326.56
  5. Step 5: Solve for x
    x = 17,611,612,326.56/60,378.38
  6. Step 6: Final answer
    x = 291,687.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.