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Finding the Third Proportional to 5,562.75 and 12,220.69

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Solution

The third proportional to 5,562.75 and 12,220.69 is: 26,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.75 : 12,220.69 = 12,220.69 : x
  2. Step 2: Convert to fraction form
    5,562.75/12,220.69 = 12,220.69/x
  3. Step 3: Cross multiply
    5,562.75x = 12,220.69 × 12,220.69
  4. Step 4: Simplify right side
    5,562.75x = 149,345,202.97
  5. Step 5: Solve for x
    x = 149,345,202.97/5,562.75
  6. Step 6: Final answer
    x = 26,847.37

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.