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Finding the Third Proportional to 342.50 and 754

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Solution

The third proportional to 342.50 and 754 is: 1,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.50 : 754 = 754 : x
  2. Step 2: Convert to fraction form
    342.50/754 = 754/x
  3. Step 3: Cross multiply
    342.50x = 754 × 754
  4. Step 4: Simplify right side
    342.50x = 568,516
  5. Step 5: Solve for x
    x = 568,516/342.50
  6. Step 6: Final answer
    x = 1,659.90

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