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Finding the Third Proportional to 2,614.78 and 4,266.42

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Solution

The third proportional to 2,614.78 and 4,266.42 is: 6,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.78 : 4,266.42 = 4,266.42 : x
  2. Step 2: Convert to fraction form
    2,614.78/4,266.42 = 4,266.42/x
  3. Step 3: Cross multiply
    2,614.78x = 4,266.42 × 4,266.42
  4. Step 4: Simplify right side
    2,614.78x = 18,202,355.62
  5. Step 5: Solve for x
    x = 18,202,355.62/2,614.78
  6. Step 6: Final answer
    x = 6,961.33

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.