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Finding the Third Proportional to 72,187,812 and 150,324,264

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Solution

The third proportional to 72,187,812 and 150,324,264 is: 313,036,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,187,812 : 150,324,264 = 150,324,264 : x
  2. Step 2: Convert to fraction form
    72,187,812/150,324,264 = 150,324,264/x
  3. Step 3: Cross multiply
    72,187,812x = 150,324,264 × 150,324,264
  4. Step 4: Simplify right side
    72,187,812x = 22,597,384,347,141,696
  5. Step 5: Solve for x
    x = 22,597,384,347,141,696/72,187,812
  6. Step 6: Final answer
    x = 313,036,005.96

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.