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Finding the Third Proportional to 85,874 and 126,325

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Solution

The third proportional to 85,874 and 126,325 is: 185,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,874 : 126,325 = 126,325 : x
  2. Step 2: Convert to fraction form
    85,874/126,325 = 126,325/x
  3. Step 3: Cross multiply
    85,874x = 126,325 × 126,325
  4. Step 4: Simplify right side
    85,874x = 15,958,005,625
  5. Step 5: Solve for x
    x = 15,958,005,625/85,874
  6. Step 6: Final answer
    x = 185,830.47

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.