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Finding the Third Proportional to 91,137.75 and 136,704.75

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Solution

The third proportional to 91,137.75 and 136,704.75 is: 205,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,137.75 : 136,704.75 = 136,704.75 : x
  2. Step 2: Convert to fraction form
    91,137.75/136,704.75 = 136,704.75/x
  3. Step 3: Cross multiply
    91,137.75x = 136,704.75 × 136,704.75
  4. Step 4: Simplify right side
    91,137.75x = 18,688,188,672.56
  5. Step 5: Solve for x
    x = 18,688,188,672.56/91,137.75
  6. Step 6: Final answer
    x = 205,054.31

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