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Finding the Third Proportional to 18,101.25 and 27,087.75

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Solution

The third proportional to 18,101.25 and 27,087.75 is: 40,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.25 : 27,087.75 = 27,087.75 : x
  2. Step 2: Convert to fraction form
    18,101.25/27,087.75 = 27,087.75/x
  3. Step 3: Cross multiply
    18,101.25x = 27,087.75 × 27,087.75
  4. Step 4: Simplify right side
    18,101.25x = 733,746,200.06
  5. Step 5: Solve for x
    x = 733,746,200.06/18,101.25
  6. Step 6: Final answer
    x = 40,535.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.