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Finding the Third Proportional to 1,669 and 3,662

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Solution

The third proportional to 1,669 and 3,662 is: 8,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669 : 3,662 = 3,662 : x
  2. Step 2: Convert to fraction form
    1,669/3,662 = 3,662/x
  3. Step 3: Cross multiply
    1,669x = 3,662 × 3,662
  4. Step 4: Simplify right side
    1,669x = 13,410,244
  5. Step 5: Solve for x
    x = 13,410,244/1,669
  6. Step 6: Final answer
    x = 8,034.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.