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Finding the Third Proportional to 2,740 and 4,099

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Solution

The third proportional to 2,740 and 4,099 is: 6,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740 : 4,099 = 4,099 : x
  2. Step 2: Convert to fraction form
    2,740/4,099 = 4,099/x
  3. Step 3: Cross multiply
    2,740x = 4,099 × 4,099
  4. Step 4: Simplify right side
    2,740x = 16,801,801
  5. Step 5: Solve for x
    x = 16,801,801/2,740
  6. Step 6: Final answer
    x = 6,132.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.