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Finding the Third Proportional to 68,621,050 and 150,888,980

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Solution

The third proportional to 68,621,050 and 150,888,980 is: 331,785,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,621,050 : 150,888,980 = 150,888,980 : x
  2. Step 2: Convert to fraction form
    68,621,050/150,888,980 = 150,888,980/x
  3. Step 3: Cross multiply
    68,621,050x = 150,888,980 × 150,888,980
  4. Step 4: Simplify right side
    68,621,050x = 22,767,484,285,440,400
  5. Step 5: Solve for x
    x = 22,767,484,285,440,400/68,621,050
  6. Step 6: Final answer
    x = 331,785,717.14

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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.