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Finding the Third Proportional to 20,351.50 and 43,391.19

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Solution

The third proportional to 20,351.50 and 43,391.19 is: 92,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.50 : 43,391.19 = 43,391.19 : x
  2. Step 2: Convert to fraction form
    20,351.50/43,391.19 = 43,391.19/x
  3. Step 3: Cross multiply
    20,351.50x = 43,391.19 × 43,391.19
  4. Step 4: Simplify right side
    20,351.50x = 1,882,795,152.66
  5. Step 5: Solve for x
    x = 1,882,795,152.66/20,351.50
  6. Step 6: Final answer
    x = 92,513.83

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.