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Finding the Third Proportional to 18,273.41 and 38,708.19

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Solution

The third proportional to 18,273.41 and 38,708.19 is: 81,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.41 : 38,708.19 = 38,708.19 : x
  2. Step 2: Convert to fraction form
    18,273.41/38,708.19 = 38,708.19/x
  3. Step 3: Cross multiply
    18,273.41x = 38,708.19 × 38,708.19
  4. Step 4: Simplify right side
    18,273.41x = 1,498,324,081.94
  5. Step 5: Solve for x
    x = 1,498,324,081.94/18,273.41
  6. Step 6: Final answer
    x = 81,994.77

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.