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Finding the Third Proportional to 8,976 and 11,664

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Solution

The third proportional to 8,976 and 11,664 is: 15,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976 : 11,664 = 11,664 : x
  2. Step 2: Convert to fraction form
    8,976/11,664 = 11,664/x
  3. Step 3: Cross multiply
    8,976x = 11,664 × 11,664
  4. Step 4: Simplify right side
    8,976x = 136,048,896
  5. Step 5: Solve for x
    x = 136,048,896/8,976
  6. Step 6: Final answer
    x = 15,156.96

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.