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Finding the Third Proportional to 7,874,574 and 11,971,134

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Solution

The third proportional to 7,874,574 and 11,971,134 is: 18,198,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,574 : 11,971,134 = 11,971,134 : x
  2. Step 2: Convert to fraction form
    7,874,574/11,971,134 = 11,971,134/x
  3. Step 3: Cross multiply
    7,874,574x = 11,971,134 × 11,971,134
  4. Step 4: Simplify right side
    7,874,574x = 143,308,049,245,956
  5. Step 5: Solve for x
    x = 143,308,049,245,956/7,874,574
  6. Step 6: Final answer
    x = 18,198,831.99

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