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Finding the Third Proportional to 3,016,668 and 4,219,728

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Solution

The third proportional to 3,016,668 and 4,219,728 is: 5,902,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016,668 : 4,219,728 = 4,219,728 : x
  2. Step 2: Convert to fraction form
    3,016,668/4,219,728 = 4,219,728/x
  3. Step 3: Cross multiply
    3,016,668x = 4,219,728 × 4,219,728
  4. Step 4: Simplify right side
    3,016,668x = 17,806,104,393,984
  5. Step 5: Solve for x
    x = 17,806,104,393,984/3,016,668
  6. Step 6: Final answer
    x = 5,902,573.43

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.