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Finding the Third Proportional to 20,086 and 41,765

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Solution

The third proportional to 20,086 and 41,765 is: 86,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086 : 41,765 = 41,765 : x
  2. Step 2: Convert to fraction form
    20,086/41,765 = 41,765/x
  3. Step 3: Cross multiply
    20,086x = 41,765 × 41,765
  4. Step 4: Simplify right side
    20,086x = 1,744,315,225
  5. Step 5: Solve for x
    x = 1,744,315,225/20,086
  6. Step 6: Final answer
    x = 86,842.34

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.