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Finding the Third Proportional to 793.78 and 1,851.38

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Solution

The third proportional to 793.78 and 1,851.38 is: 4,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.78 : 1,851.38 = 1,851.38 : x
  2. Step 2: Convert to fraction form
    793.78/1,851.38 = 1,851.38/x
  3. Step 3: Cross multiply
    793.78x = 1,851.38 × 1,851.38
  4. Step 4: Simplify right side
    793.78x = 3,427,589.39
  5. Step 5: Solve for x
    x = 3,427,589.39/793.78
  6. Step 6: Final answer
    x = 4,318.05

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.