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Finding the Third Proportional to 8,792 and 11,856

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Solution

The third proportional to 8,792 and 11,856 is: 15,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792 : 11,856 = 11,856 : x
  2. Step 2: Convert to fraction form
    8,792/11,856 = 11,856/x
  3. Step 3: Cross multiply
    8,792x = 11,856 × 11,856
  4. Step 4: Simplify right side
    8,792x = 140,564,736
  5. Step 5: Solve for x
    x = 140,564,736/8,792
  6. Step 6: Final answer
    x = 15,987.80

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.