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Finding the Third Proportional to 40,399 and 87,250

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Solution

The third proportional to 40,399 and 87,250 is: 188,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,399 : 87,250 = 87,250 : x
  2. Step 2: Convert to fraction form
    40,399/87,250 = 87,250/x
  3. Step 3: Cross multiply
    40,399x = 87,250 × 87,250
  4. Step 4: Simplify right side
    40,399x = 7,612,562,500
  5. Step 5: Solve for x
    x = 7,612,562,500/40,399
  6. Step 6: Final answer
    x = 188,434.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.