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Finding the Third Proportional to 61.50 and 136

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Solution

The third proportional to 61.50 and 136 is: 300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.50 : 136 = 136 : x
  2. Step 2: Convert to fraction form
    61.50/136 = 136/x
  3. Step 3: Cross multiply
    61.50x = 136 × 136
  4. Step 4: Simplify right side
    61.50x = 18,496
  5. Step 5: Solve for x
    x = 18,496/61.50
  6. Step 6: Final answer
    x = 300.75

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