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Finding the Third Proportional to 18,246.94 and 39,151.69

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Solution

The third proportional to 18,246.94 and 39,151.69 is: 84,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.94 : 39,151.69 = 39,151.69 : x
  2. Step 2: Convert to fraction form
    18,246.94/39,151.69 = 39,151.69/x
  3. Step 3: Cross multiply
    18,246.94x = 39,151.69 × 39,151.69
  4. Step 4: Simplify right side
    18,246.94x = 1,532,854,634.10
  5. Step 5: Solve for x
    x = 1,532,854,634.10/18,246.94
  6. Step 6: Final answer
    x = 84,006.13

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