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Finding the Third Proportional to 772 and 850

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Solution

The third proportional to 772 and 850 is: 935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    772 : 850 = 850 : x
  2. Step 2: Convert to fraction form
    772/850 = 850/x
  3. Step 3: Cross multiply
    772x = 850 × 850
  4. Step 4: Simplify right side
    772x = 722,500
  5. Step 5: Solve for x
    x = 722,500/772
  6. Step 6: Final answer
    x = 935.88

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