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Finding the Third Proportional to 200,978,611 and 435,345,664

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Solution

The third proportional to 200,978,611 and 435,345,664 is: 943,015,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,978,611 : 435,345,664 = 435,345,664 : x
  2. Step 2: Convert to fraction form
    200,978,611/435,345,664 = 435,345,664/x
  3. Step 3: Cross multiply
    200,978,611x = 435,345,664 × 435,345,664
  4. Step 4: Simplify right side
    200,978,611x = 189,525,847,163,600,896
  5. Step 5: Solve for x
    x = 189,525,847,163,600,896/200,978,611
  6. Step 6: Final answer
    x = 943,015,011.50

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