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Finding the Third Proportional to 131,387.25 and 200,361.75

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Solution

The third proportional to 131,387.25 and 200,361.75 is: 305,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,387.25 : 200,361.75 = 200,361.75 : x
  2. Step 2: Convert to fraction form
    131,387.25/200,361.75 = 200,361.75/x
  3. Step 3: Cross multiply
    131,387.25x = 200,361.75 × 200,361.75
  4. Step 4: Simplify right side
    131,387.25x = 40,144,830,863.06
  5. Step 5: Solve for x
    x = 40,144,830,863.06/131,387.25
  6. Step 6: Final answer
    x = 305,545.86

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.