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Finding the Third Proportional to 18,186.75 and 39,755.25

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Solution

The third proportional to 18,186.75 and 39,755.25 is: 86,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.75 : 39,755.25 = 39,755.25 : x
  2. Step 2: Convert to fraction form
    18,186.75/39,755.25 = 39,755.25/x
  3. Step 3: Cross multiply
    18,186.75x = 39,755.25 × 39,755.25
  4. Step 4: Simplify right side
    18,186.75x = 1,580,479,902.56
  5. Step 5: Solve for x
    x = 1,580,479,902.56/18,186.75
  6. Step 6: Final answer
    x = 86,902.82

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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.