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Finding the Third Proportional to 1,845 and 2,739.38

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Solution

The third proportional to 1,845 and 2,739.38 is: 4,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845 : 2,739.38 = 2,739.38 : x
  2. Step 2: Convert to fraction form
    1,845/2,739.38 = 2,739.38/x
  3. Step 3: Cross multiply
    1,845x = 2,739.38 × 2,739.38
  4. Step 4: Simplify right side
    1,845x = 7,504,175.39
  5. Step 5: Solve for x
    x = 7,504,175.39/1,845
  6. Step 6: Final answer
    x = 4,067.30

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.