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Finding the Third Proportional to 2,729 and 6,414.75

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Solution

The third proportional to 2,729 and 6,414.75 is: 15,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729 : 6,414.75 = 6,414.75 : x
  2. Step 2: Convert to fraction form
    2,729/6,414.75 = 6,414.75/x
  3. Step 3: Cross multiply
    2,729x = 6,414.75 × 6,414.75
  4. Step 4: Simplify right side
    2,729x = 41,149,017.56
  5. Step 5: Solve for x
    x = 41,149,017.56/2,729
  6. Step 6: Final answer
    x = 15,078.42

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.