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Finding the Third Proportional to 3,529 and 7,766

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Solution

The third proportional to 3,529 and 7,766 is: 17,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529 : 7,766 = 7,766 : x
  2. Step 2: Convert to fraction form
    3,529/7,766 = 7,766/x
  3. Step 3: Cross multiply
    3,529x = 7,766 × 7,766
  4. Step 4: Simplify right side
    3,529x = 60,310,756
  5. Step 5: Solve for x
    x = 60,310,756/3,529
  6. Step 6: Final answer
    x = 17,090.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.