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Finding the Third Proportional to 8,668 and 15,656

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Solution

The third proportional to 8,668 and 15,656 is: 28,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668 : 15,656 = 15,656 : x
  2. Step 2: Convert to fraction form
    8,668/15,656 = 15,656/x
  3. Step 3: Cross multiply
    8,668x = 15,656 × 15,656
  4. Step 4: Simplify right side
    8,668x = 245,110,336
  5. Step 5: Solve for x
    x = 245,110,336/8,668
  6. Step 6: Final answer
    x = 28,277.61

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.