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Finding the Third Proportional to 4,626 and 6,779

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Solution

The third proportional to 4,626 and 6,779 is: 9,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626 : 6,779 = 6,779 : x
  2. Step 2: Convert to fraction form
    4,626/6,779 = 6,779/x
  3. Step 3: Cross multiply
    4,626x = 6,779 × 6,779
  4. Step 4: Simplify right side
    4,626x = 45,954,841
  5. Step 5: Solve for x
    x = 45,954,841/4,626
  6. Step 6: Final answer
    x = 9,934.03

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.