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Finding the Third Proportional to 6,630 and 8,606

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Solution

The third proportional to 6,630 and 8,606 is: 11,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630 : 8,606 = 8,606 : x
  2. Step 2: Convert to fraction form
    6,630/8,606 = 8,606/x
  3. Step 3: Cross multiply
    6,630x = 8,606 × 8,606
  4. Step 4: Simplify right side
    6,630x = 74,063,236
  5. Step 5: Solve for x
    x = 74,063,236/6,630
  6. Step 6: Final answer
    x = 11,170.93

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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.