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Finding the Third Proportional to 68,984,728 and 150,216,664

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Solution

The third proportional to 68,984,728 and 150,216,664 is: 327,102,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,984,728 : 150,216,664 = 150,216,664 : x
  2. Step 2: Convert to fraction form
    68,984,728/150,216,664 = 150,216,664/x
  3. Step 3: Cross multiply
    68,984,728x = 150,216,664 × 150,216,664
  4. Step 4: Simplify right side
    68,984,728x = 22,565,046,143,288,896
  5. Step 5: Solve for x
    x = 22,565,046,143,288,896/68,984,728
  6. Step 6: Final answer
    x = 327,102,052.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.