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Finding the Third Proportional to 71,516.25 and 157,314.75

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Solution

The third proportional to 71,516.25 and 157,314.75 is: 346,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,516.25 : 157,314.75 = 157,314.75 : x
  2. Step 2: Convert to fraction form
    71,516.25/157,314.75 = 157,314.75/x
  3. Step 3: Cross multiply
    71,516.25x = 157,314.75 × 157,314.75
  4. Step 4: Simplify right side
    71,516.25x = 24,747,930,567.56
  5. Step 5: Solve for x
    x = 24,747,930,567.56/71,516.25
  6. Step 6: Final answer
    x = 346,046.26

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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.