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Finding the Third Proportional to 18,471.80 and 27,052.73

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Solution

The third proportional to 18,471.80 and 27,052.73 is: 39,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.80 : 27,052.73 = 27,052.73 : x
  2. Step 2: Convert to fraction form
    18,471.80/27,052.73 = 27,052.73/x
  3. Step 3: Cross multiply
    18,471.80x = 27,052.73 × 27,052.73
  4. Step 4: Simplify right side
    18,471.80x = 731,850,437.16
  5. Step 5: Solve for x
    x = 731,850,437.16/18,471.80
  6. Step 6: Final answer
    x = 39,619.88

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.