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Finding the Third Proportional to 63,158.17 and 136,939.52

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Solution

The third proportional to 63,158.17 and 136,939.52 is: 296,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,158.17 : 136,939.52 = 136,939.52 : x
  2. Step 2: Convert to fraction form
    63,158.17/136,939.52 = 136,939.52/x
  3. Step 3: Cross multiply
    63,158.17x = 136,939.52 × 136,939.52
  4. Step 4: Simplify right side
    63,158.17x = 18,752,431,474.53
  5. Step 5: Solve for x
    x = 18,752,431,474.53/63,158.17
  6. Step 6: Final answer
    x = 296,912.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.