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Finding the Third Proportional to 20,166 and 41,836

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Solution

The third proportional to 20,166 and 41,836 is: 86,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166 : 41,836 = 41,836 : x
  2. Step 2: Convert to fraction form
    20,166/41,836 = 41,836/x
  3. Step 3: Cross multiply
    20,166x = 41,836 × 41,836
  4. Step 4: Simplify right side
    20,166x = 1,750,250,896
  5. Step 5: Solve for x
    x = 1,750,250,896/20,166
  6. Step 6: Final answer
    x = 86,792.17

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.