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Finding the Third Proportional to 15,162,544 and 21,682,616

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Solution

The third proportional to 15,162,544 and 21,682,616 is: 31,006,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162,544 : 21,682,616 = 21,682,616 : x
  2. Step 2: Convert to fraction form
    15,162,544/21,682,616 = 21,682,616/x
  3. Step 3: Cross multiply
    15,162,544x = 21,682,616 × 21,682,616
  4. Step 4: Simplify right side
    15,162,544x = 470,135,836,603,456
  5. Step 5: Solve for x
    x = 470,135,836,603,456/15,162,544
  6. Step 6: Final answer
    x = 31,006,395.54

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.