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Finding the Third Proportional to 91,876 and 145,734

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Solution

The third proportional to 91,876 and 145,734 is: 231,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,876 : 145,734 = 145,734 : x
  2. Step 2: Convert to fraction form
    91,876/145,734 = 145,734/x
  3. Step 3: Cross multiply
    91,876x = 145,734 × 145,734
  4. Step 4: Simplify right side
    91,876x = 21,238,398,756
  5. Step 5: Solve for x
    x = 21,238,398,756/91,876
  6. Step 6: Final answer
    x = 231,163.73

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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.