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Finding the Third Proportional to 793.97 and 940.78

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Solution

The third proportional to 793.97 and 940.78 is: 1,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.97 : 940.78 = 940.78 : x
  2. Step 2: Convert to fraction form
    793.97/940.78 = 940.78/x
  3. Step 3: Cross multiply
    793.97x = 940.78 × 940.78
  4. Step 4: Simplify right side
    793.97x = 885,069.36
  5. Step 5: Solve for x
    x = 885,069.36/793.97
  6. Step 6: Final answer
    x = 1,114.74

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.