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Finding the Third Proportional to 8,067 and 12,220.50

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Solution

The third proportional to 8,067 and 12,220.50 is: 18,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067 : 12,220.50 = 12,220.50 : x
  2. Step 2: Convert to fraction form
    8,067/12,220.50 = 12,220.50/x
  3. Step 3: Cross multiply
    8,067x = 12,220.50 × 12,220.50
  4. Step 4: Simplify right side
    8,067x = 149,340,620.25
  5. Step 5: Solve for x
    x = 149,340,620.25/8,067
  6. Step 6: Final answer
    x = 18,512.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.