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Finding the Third Proportional to 4,511,058 and 9,919,380

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Solution

The third proportional to 4,511,058 and 9,919,380 is: 21,811,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511,058 : 9,919,380 = 9,919,380 : x
  2. Step 2: Convert to fraction form
    4,511,058/9,919,380 = 9,919,380/x
  3. Step 3: Cross multiply
    4,511,058x = 9,919,380 × 9,919,380
  4. Step 4: Simplify right side
    4,511,058x = 98,394,099,584,400
  5. Step 5: Solve for x
    x = 98,394,099,584,400/4,511,058
  6. Step 6: Final answer
    x = 21,811,756.71

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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.