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Finding the Third Proportional to 68,405,160 and 150,491,208

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Solution

The third proportional to 68,405,160 and 150,491,208 is: 331,080,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,405,160 : 150,491,208 = 150,491,208 : x
  2. Step 2: Convert to fraction form
    68,405,160/150,491,208 = 150,491,208/x
  3. Step 3: Cross multiply
    68,405,160x = 150,491,208 × 150,491,208
  4. Step 4: Simplify right side
    68,405,160x = 22,647,603,685,299,264
  5. Step 5: Solve for x
    x = 22,647,603,685,299,264/68,405,160
  6. Step 6: Final answer
    x = 331,080,340.80

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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.