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Finding the Third Proportional to 178,687.13 and 277,831.69

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Solution

The third proportional to 178,687.13 and 277,831.69 is: 431,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,687.13 : 277,831.69 = 277,831.69 : x
  2. Step 2: Convert to fraction form
    178,687.13/277,831.69 = 277,831.69/x
  3. Step 3: Cross multiply
    178,687.13x = 277,831.69 × 277,831.69
  4. Step 4: Simplify right side
    178,687.13x = 77,190,446,579.10
  5. Step 5: Solve for x
    x = 77,190,446,579.10/178,687.13
  6. Step 6: Final answer
    x = 431,986.62

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