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Finding the Third Proportional to 3,345,634 and 7,122,836

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Solution

The third proportional to 3,345,634 and 7,122,836 is: 15,164,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345,634 : 7,122,836 = 7,122,836 : x
  2. Step 2: Convert to fraction form
    3,345,634/7,122,836 = 7,122,836/x
  3. Step 3: Cross multiply
    3,345,634x = 7,122,836 × 7,122,836
  4. Step 4: Simplify right side
    3,345,634x = 50,734,792,682,896
  5. Step 5: Solve for x
    x = 50,734,792,682,896/3,345,634
  6. Step 6: Final answer
    x = 15,164,477.85

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.