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Finding the Third Proportional to 39,318.75 and 62,540.44

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Solution

The third proportional to 39,318.75 and 62,540.44 is: 99,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318.75 : 62,540.44 = 62,540.44 : x
  2. Step 2: Convert to fraction form
    39,318.75/62,540.44 = 62,540.44/x
  3. Step 3: Cross multiply
    39,318.75x = 62,540.44 × 62,540.44
  4. Step 4: Simplify right side
    39,318.75x = 3,911,306,322.69
  5. Step 5: Solve for x
    x = 3,911,306,322.69/39,318.75
  6. Step 6: Final answer
    x = 99,476.87

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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.