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Finding the Third Proportional to 8,568 and 11,212

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Solution

The third proportional to 8,568 and 11,212 is: 14,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568 : 11,212 = 11,212 : x
  2. Step 2: Convert to fraction form
    8,568/11,212 = 11,212/x
  3. Step 3: Cross multiply
    8,568x = 11,212 × 11,212
  4. Step 4: Simplify right side
    8,568x = 125,708,944
  5. Step 5: Solve for x
    x = 125,708,944/8,568
  6. Step 6: Final answer
    x = 14,671.91

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.