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Finding the Third Proportional to 18,383.20 and 40,268.39

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Solution

The third proportional to 18,383.20 and 40,268.39 is: 88,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.20 : 40,268.39 = 40,268.39 : x
  2. Step 2: Convert to fraction form
    18,383.20/40,268.39 = 40,268.39/x
  3. Step 3: Cross multiply
    18,383.20x = 40,268.39 × 40,268.39
  4. Step 4: Simplify right side
    18,383.20x = 1,621,543,283.53
  5. Step 5: Solve for x
    x = 1,621,543,283.53/18,383.20
  6. Step 6: Final answer
    x = 88,207.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.