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Finding the Third Proportional to 97 and 109.50

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Solution

The third proportional to 97 and 109.50 is: 123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97 : 109.50 = 109.50 : x
  2. Step 2: Convert to fraction form
    97/109.50 = 109.50/x
  3. Step 3: Cross multiply
    97x = 109.50 × 109.50
  4. Step 4: Simplify right side
    97x = 11,990.25
  5. Step 5: Solve for x
    x = 11,990.25/97
  6. Step 6: Final answer
    x = 123.61

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