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Finding the Third Proportional to 18,111.94 and 39,327.19

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Solution

The third proportional to 18,111.94 and 39,327.19 is: 85,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.94 : 39,327.19 = 39,327.19 : x
  2. Step 2: Convert to fraction form
    18,111.94/39,327.19 = 39,327.19/x
  3. Step 3: Cross multiply
    18,111.94x = 39,327.19 × 39,327.19
  4. Step 4: Simplify right side
    18,111.94x = 1,546,627,676.66
  5. Step 5: Solve for x
    x = 1,546,627,676.66/18,111.94
  6. Step 6: Final answer
    x = 85,392.72

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.