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Finding the Third Proportional to 85,650.75 and 121,739.63

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Solution

The third proportional to 85,650.75 and 121,739.63 is: 173,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,650.75 : 121,739.63 = 121,739.63 : x
  2. Step 2: Convert to fraction form
    85,650.75/121,739.63 = 121,739.63/x
  3. Step 3: Cross multiply
    85,650.75x = 121,739.63 × 121,739.63
  4. Step 4: Simplify right side
    85,650.75x = 14,820,536,295.14
  5. Step 5: Solve for x
    x = 14,820,536,295.14/85,650.75
  6. Step 6: Final answer
    x = 173,034.52

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