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Finding the Third Proportional to 1,321,956,216 and 1,999,936,485

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Solution

The third proportional to 1,321,956,216 and 1,999,936,485 is: 3,025,626,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,956,216 : 1,999,936,485 = 1,999,936,485 : x
  2. Step 2: Convert to fraction form
    1,321,956,216/1,999,936,485 = 1,999,936,485/x
  3. Step 3: Cross multiply
    1,321,956,216x = 1,999,936,485 × 1,999,936,485
  4. Step 4: Simplify right side
    1,321,956,216x = 3,999,745,944,034,155,008
  5. Step 5: Solve for x
    x = 3,999,745,944,034,155,008/1,321,956,216
  6. Step 6: Final answer
    x = 3,025,626,639.99

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