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Finding the Third Proportional to 18,025.31 and 38,716.88

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Solution

The third proportional to 18,025.31 and 38,716.88 is: 83,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.31 : 38,716.88 = 38,716.88 : x
  2. Step 2: Convert to fraction form
    18,025.31/38,716.88 = 38,716.88/x
  3. Step 3: Cross multiply
    18,025.31x = 38,716.88 × 38,716.88
  4. Step 4: Simplify right side
    18,025.31x = 1,498,996,409.77
  5. Step 5: Solve for x
    x = 1,498,996,409.77/18,025.31
  6. Step 6: Final answer
    x = 83,160.63

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.