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Finding the Third Proportional to 5,480.25 and 12,078.75

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Solution

The third proportional to 5,480.25 and 12,078.75 is: 26,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.25 : 12,078.75 = 12,078.75 : x
  2. Step 2: Convert to fraction form
    5,480.25/12,078.75 = 12,078.75/x
  3. Step 3: Cross multiply
    5,480.25x = 12,078.75 × 12,078.75
  4. Step 4: Simplify right side
    5,480.25x = 145,896,201.56
  5. Step 5: Solve for x
    x = 145,896,201.56/5,480.25
  6. Step 6: Final answer
    x = 26,622.18

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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.