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Finding the Third Proportional to 85,847 and 132,813

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Solution

The third proportional to 85,847 and 132,813 is: 205,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,847 : 132,813 = 132,813 : x
  2. Step 2: Convert to fraction form
    85,847/132,813 = 132,813/x
  3. Step 3: Cross multiply
    85,847x = 132,813 × 132,813
  4. Step 4: Simplify right side
    85,847x = 17,639,292,969
  5. Step 5: Solve for x
    x = 17,639,292,969/85,847
  6. Step 6: Final answer
    x = 205,473.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.