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Finding the Third Proportional to 62,571.39 and 129,578.48

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Solution

The third proportional to 62,571.39 and 129,578.48 is: 268,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,571.39 : 129,578.48 = 129,578.48 : x
  2. Step 2: Convert to fraction form
    62,571.39/129,578.48 = 129,578.48/x
  3. Step 3: Cross multiply
    62,571.39x = 129,578.48 × 129,578.48
  4. Step 4: Simplify right side
    62,571.39x = 16,790,583,612.92
  5. Step 5: Solve for x
    x = 16,790,583,612.92/62,571.39
  6. Step 6: Final answer
    x = 268,342.81

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.