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Finding the Third Proportional to 1,786 and 3,349

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Solution

The third proportional to 1,786 and 3,349 is: 6,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786 : 3,349 = 3,349 : x
  2. Step 2: Convert to fraction form
    1,786/3,349 = 3,349/x
  3. Step 3: Cross multiply
    1,786x = 3,349 × 3,349
  4. Step 4: Simplify right side
    1,786x = 11,215,801
  5. Step 5: Solve for x
    x = 11,215,801/1,786
  6. Step 6: Final answer
    x = 6,279.84

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.