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Finding the Third Proportional to 344 and 411.50

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Solution

The third proportional to 344 and 411.50 is: 492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    344 : 411.50 = 411.50 : x
  2. Step 2: Convert to fraction form
    344/411.50 = 411.50/x
  3. Step 3: Cross multiply
    344x = 411.50 × 411.50
  4. Step 4: Simplify right side
    344x = 169,332.25
  5. Step 5: Solve for x
    x = 169,332.25/344
  6. Step 6: Final answer
    x = 492.24

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