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Finding the Third Proportional to 39,386.25 and 62,640.75

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Solution

The third proportional to 39,386.25 and 62,640.75 is: 99,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386.25 : 62,640.75 = 62,640.75 : x
  2. Step 2: Convert to fraction form
    39,386.25/62,640.75 = 62,640.75/x
  3. Step 3: Cross multiply
    39,386.25x = 62,640.75 × 62,640.75
  4. Step 4: Simplify right side
    39,386.25x = 3,923,863,560.56
  5. Step 5: Solve for x
    x = 3,923,863,560.56/39,386.25
  6. Step 6: Final answer
    x = 99,625.21

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.