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Finding the Third Proportional to 18,469.69 and 39,246.19

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Solution

The third proportional to 18,469.69 and 39,246.19 is: 83,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.69 : 39,246.19 = 39,246.19 : x
  2. Step 2: Convert to fraction form
    18,469.69/39,246.19 = 39,246.19/x
  3. Step 3: Cross multiply
    18,469.69x = 39,246.19 × 39,246.19
  4. Step 4: Simplify right side
    18,469.69x = 1,540,263,233.29
  5. Step 5: Solve for x
    x = 1,540,263,233.29/18,469.69
  6. Step 6: Final answer
    x = 83,394.11

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.