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Finding the Third Proportional to 158,665.50 and 247,645.13

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Solution

The third proportional to 158,665.50 and 247,645.13 is: 386,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,665.50 : 247,645.13 = 247,645.13 : x
  2. Step 2: Convert to fraction form
    158,665.50/247,645.13 = 247,645.13/x
  3. Step 3: Cross multiply
    158,665.50x = 247,645.13 × 247,645.13
  4. Step 4: Simplify right side
    158,665.50x = 61,328,107,936.27
  5. Step 5: Solve for x
    x = 61,328,107,936.27/158,665.50
  6. Step 6: Final answer
    x = 386,524.53

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.