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Finding the Third Proportional to 1,659 and 3,504

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Solution

The third proportional to 1,659 and 3,504 is: 7,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659 : 3,504 = 3,504 : x
  2. Step 2: Convert to fraction form
    1,659/3,504 = 3,504/x
  3. Step 3: Cross multiply
    1,659x = 3,504 × 3,504
  4. Step 4: Simplify right side
    1,659x = 12,278,016
  5. Step 5: Solve for x
    x = 12,278,016/1,659
  6. Step 6: Final answer
    x = 7,400.85

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.