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Finding the Third Proportional to 185,257.13 and 398,601

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Solution

The third proportional to 185,257.13 and 398,601 is: 857,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,257.13 : 398,601 = 398,601 : x
  2. Step 2: Convert to fraction form
    185,257.13/398,601 = 398,601/x
  3. Step 3: Cross multiply
    185,257.13x = 398,601 × 398,601
  4. Step 4: Simplify right side
    185,257.13x = 158,882,757,201
  5. Step 5: Solve for x
    x = 158,882,757,201/185,257.13
  6. Step 6: Final answer
    x = 857,633.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.