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Finding the Third Proportional to 18,087 and 27,950

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Solution

The third proportional to 18,087 and 27,950 is: 43,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087 : 27,950 = 27,950 : x
  2. Step 2: Convert to fraction form
    18,087/27,950 = 27,950/x
  3. Step 3: Cross multiply
    18,087x = 27,950 × 27,950
  4. Step 4: Simplify right side
    18,087x = 781,202,500
  5. Step 5: Solve for x
    x = 781,202,500/18,087
  6. Step 6: Final answer
    x = 43,191.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.