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Finding the Third Proportional to 18,665.44 and 40,246.88

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Solution

The third proportional to 18,665.44 and 40,246.88 is: 86,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665.44 : 40,246.88 = 40,246.88 : x
  2. Step 2: Convert to fraction form
    18,665.44/40,246.88 = 40,246.88/x
  3. Step 3: Cross multiply
    18,665.44x = 40,246.88 × 40,246.88
  4. Step 4: Simplify right side
    18,665.44x = 1,619,810,947.27
  5. Step 5: Solve for x
    x = 1,619,810,947.27/18,665.44
  6. Step 6: Final answer
    x = 86,781.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.