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Finding the Third Proportional to 686 and 794

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Solution

The third proportional to 686 and 794 is: 919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    686 : 794 = 794 : x
  2. Step 2: Convert to fraction form
    686/794 = 794/x
  3. Step 3: Cross multiply
    686x = 794 × 794
  4. Step 4: Simplify right side
    686x = 630,436
  5. Step 5: Solve for x
    x = 630,436/686
  6. Step 6: Final answer
    x = 919.00

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