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Finding the Third Proportional to 1,443 and 3,351

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Solution

The third proportional to 1,443 and 3,351 is: 7,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443 : 3,351 = 3,351 : x
  2. Step 2: Convert to fraction form
    1,443/3,351 = 3,351/x
  3. Step 3: Cross multiply
    1,443x = 3,351 × 3,351
  4. Step 4: Simplify right side
    1,443x = 11,229,201
  5. Step 5: Solve for x
    x = 11,229,201/1,443
  6. Step 6: Final answer
    x = 7,781.84

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.