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Finding the Third Proportional to 18,855 and 41,159.25

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Solution

The third proportional to 18,855 and 41,159.25 is: 89,847.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855 : 41,159.25 = 41,159.25 : x
  2. Step 2: Convert to fraction form
    18,855/41,159.25 = 41,159.25/x
  3. Step 3: Cross multiply
    18,855x = 41,159.25 × 41,159.25
  4. Step 4: Simplify right side
    18,855x = 1,694,083,860.56
  5. Step 5: Solve for x
    x = 1,694,083,860.56/18,855
  6. Step 6: Final answer
    x = 89,847.99

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.