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Finding the Third Proportional to 18,162.19 and 27,261.56

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Solution

The third proportional to 18,162.19 and 27,261.56 is: 40,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.19 : 27,261.56 = 27,261.56 : x
  2. Step 2: Convert to fraction form
    18,162.19/27,261.56 = 27,261.56/x
  3. Step 3: Cross multiply
    18,162.19x = 27,261.56 × 27,261.56
  4. Step 4: Simplify right side
    18,162.19x = 743,192,789.94
  5. Step 5: Solve for x
    x = 743,192,789.94/18,162.19
  6. Step 6: Final answer
    x = 40,919.78

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1.5x scale

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.