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Finding the Third Proportional to 121,943.81 and 187,670.25

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Solution

The third proportional to 121,943.81 and 187,670.25 is: 288,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,943.81 : 187,670.25 = 187,670.25 : x
  2. Step 2: Convert to fraction form
    121,943.81/187,670.25 = 187,670.25/x
  3. Step 3: Cross multiply
    121,943.81x = 187,670.25 × 187,670.25
  4. Step 4: Simplify right side
    121,943.81x = 35,220,122,735.06
  5. Step 5: Solve for x
    x = 35,220,122,735.06/121,943.81
  6. Step 6: Final answer
    x = 288,822.55

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