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Finding the Third Proportional to 679 and 797

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Solution

The third proportional to 679 and 797 is: 935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    679 : 797 = 797 : x
  2. Step 2: Convert to fraction form
    679/797 = 797/x
  3. Step 3: Cross multiply
    679x = 797 × 797
  4. Step 4: Simplify right side
    679x = 635,209
  5. Step 5: Solve for x
    x = 635,209/679
  6. Step 6: Final answer
    x = 935.51

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