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Finding the Third Proportional to 3,396 and 4,779

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Solution

The third proportional to 3,396 and 4,779 is: 6,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396 : 4,779 = 4,779 : x
  2. Step 2: Convert to fraction form
    3,396/4,779 = 4,779/x
  3. Step 3: Cross multiply
    3,396x = 4,779 × 4,779
  4. Step 4: Simplify right side
    3,396x = 22,838,841
  5. Step 5: Solve for x
    x = 22,838,841/3,396
  6. Step 6: Final answer
    x = 6,725.22

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.