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Finding the Third Proportional to 8,632.20 and 18,874.27

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Solution

The third proportional to 8,632.20 and 18,874.27 is: 41,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.20 : 18,874.27 = 18,874.27 : x
  2. Step 2: Convert to fraction form
    8,632.20/18,874.27 = 18,874.27/x
  3. Step 3: Cross multiply
    8,632.20x = 18,874.27 × 18,874.27
  4. Step 4: Simplify right side
    8,632.20x = 356,237,902.88
  5. Step 5: Solve for x
    x = 356,237,902.88/8,632.20
  6. Step 6: Final answer
    x = 41,268.52

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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.