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Finding the Third Proportional to 98.75 and 142

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Solution

The third proportional to 98.75 and 142 is: 204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.75 : 142 = 142 : x
  2. Step 2: Convert to fraction form
    98.75/142 = 142/x
  3. Step 3: Cross multiply
    98.75x = 142 × 142
  4. Step 4: Simplify right side
    98.75x = 20,164
  5. Step 5: Solve for x
    x = 20,164/98.75
  6. Step 6: Final answer
    x = 204.19

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