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Finding the Third Proportional to 68,621,048 and 150,888,976

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Solution

The third proportional to 68,621,048 and 150,888,976 is: 331,785,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,621,048 : 150,888,976 = 150,888,976 : x
  2. Step 2: Convert to fraction form
    68,621,048/150,888,976 = 150,888,976/x
  3. Step 3: Cross multiply
    68,621,048x = 150,888,976 × 150,888,976
  4. Step 4: Simplify right side
    68,621,048x = 22,767,483,078,328,576
  5. Step 5: Solve for x
    x = 22,767,483,078,328,576/68,621,048
  6. Step 6: Final answer
    x = 331,785,709.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.