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Finding the Third Proportional to 18,885 and 41,400.75

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Solution

The third proportional to 18,885 and 41,400.75 is: 90,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885 : 41,400.75 = 41,400.75 : x
  2. Step 2: Convert to fraction form
    18,885/41,400.75 = 41,400.75/x
  3. Step 3: Cross multiply
    18,885x = 41,400.75 × 41,400.75
  4. Step 4: Simplify right side
    18,885x = 1,714,022,100.56
  5. Step 5: Solve for x
    x = 1,714,022,100.56/18,885
  6. Step 6: Final answer
    x = 90,761.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.