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Finding the Third Proportional to 794 and 878

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Solution

The third proportional to 794 and 878 is: 970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    794 : 878 = 878 : x
  2. Step 2: Convert to fraction form
    794/878 = 878/x
  3. Step 3: Cross multiply
    794x = 878 × 878
  4. Step 4: Simplify right side
    794x = 770,884
  5. Step 5: Solve for x
    x = 770,884/794
  6. Step 6: Final answer
    x = 970.89

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