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Finding the Third Proportional to 6,616 and 11,672

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Solution

The third proportional to 6,616 and 11,672 is: 20,591.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616 : 11,672 = 11,672 : x
  2. Step 2: Convert to fraction form
    6,616/11,672 = 11,672/x
  3. Step 3: Cross multiply
    6,616x = 11,672 × 11,672
  4. Step 4: Simplify right side
    6,616x = 136,235,584
  5. Step 5: Solve for x
    x = 136,235,584/6,616
  6. Step 6: Final answer
    x = 20,591.84

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.