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Finding the Third Proportional to 18,662 and 40,101

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Solution

The third proportional to 18,662 and 40,101 is: 86,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662 : 40,101 = 40,101 : x
  2. Step 2: Convert to fraction form
    18,662/40,101 = 40,101/x
  3. Step 3: Cross multiply
    18,662x = 40,101 × 40,101
  4. Step 4: Simplify right side
    18,662x = 1,608,090,201
  5. Step 5: Solve for x
    x = 1,608,090,201/18,662
  6. Step 6: Final answer
    x = 86,169.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.