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Finding the Third Proportional to 68,405,086 and 150,491,053

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Solution

The third proportional to 68,405,086 and 150,491,053 is: 331,080,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,405,086 : 150,491,053 = 150,491,053 : x
  2. Step 2: Convert to fraction form
    68,405,086/150,491,053 = 150,491,053/x
  3. Step 3: Cross multiply
    68,405,086x = 150,491,053 × 150,491,053
  4. Step 4: Simplify right side
    68,405,086x = 22,647,557,033,048,808
  5. Step 5: Solve for x
    x = 22,647,557,033,048,808/68,405,086
  6. Step 6: Final answer
    x = 331,080,016.96

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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.