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Finding the Third Proportional to 8,886 and 13,647

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Solution

The third proportional to 8,886 and 13,647 is: 20,958.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886 : 13,647 = 13,647 : x
  2. Step 2: Convert to fraction form
    8,886/13,647 = 13,647/x
  3. Step 3: Cross multiply
    8,886x = 13,647 × 13,647
  4. Step 4: Simplify right side
    8,886x = 186,240,609
  5. Step 5: Solve for x
    x = 186,240,609/8,886
  6. Step 6: Final answer
    x = 20,958.88

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.