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Finding the Third Proportional to 8,354 and 11,679

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Solution

The third proportional to 8,354 and 11,679 is: 16,327.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354 : 11,679 = 11,679 : x
  2. Step 2: Convert to fraction form
    8,354/11,679 = 11,679/x
  3. Step 3: Cross multiply
    8,354x = 11,679 × 11,679
  4. Step 4: Simplify right side
    8,354x = 136,399,041
  5. Step 5: Solve for x
    x = 136,399,041/8,354
  6. Step 6: Final answer
    x = 16,327.39

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.