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Finding the Third Proportional to 8,268 and 11,850

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Solution

The third proportional to 8,268 and 11,850 is: 16,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268 : 11,850 = 11,850 : x
  2. Step 2: Convert to fraction form
    8,268/11,850 = 11,850/x
  3. Step 3: Cross multiply
    8,268x = 11,850 × 11,850
  4. Step 4: Simplify right side
    8,268x = 140,422,500
  5. Step 5: Solve for x
    x = 140,422,500/8,268
  6. Step 6: Final answer
    x = 16,983.85

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.