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Finding the Third Proportional to 8,886 and 12,186

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Solution

The third proportional to 8,886 and 12,186 is: 16,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886 : 12,186 = 12,186 : x
  2. Step 2: Convert to fraction form
    8,886/12,186 = 12,186/x
  3. Step 3: Cross multiply
    8,886x = 12,186 × 12,186
  4. Step 4: Simplify right side
    8,886x = 148,498,596
  5. Step 5: Solve for x
    x = 148,498,596/8,886
  6. Step 6: Final answer
    x = 16,711.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.