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Finding the Third Proportional to 388,043,616 and 581,922,936

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Solution

The third proportional to 388,043,616 and 581,922,936 is: 872,670,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,043,616 : 581,922,936 = 581,922,936 : x
  2. Step 2: Convert to fraction form
    388,043,616/581,922,936 = 581,922,936/x
  3. Step 3: Cross multiply
    388,043,616x = 581,922,936 × 581,922,936
  4. Step 4: Simplify right side
    388,043,616x = 338,634,303,442,860,096
  5. Step 5: Solve for x
    x = 338,634,303,442,860,096/388,043,616
  6. Step 6: Final answer
    x = 872,670,724.32

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