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Finding the Third Proportional to 1,382,647,954 and 2,021,479,638

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Solution

The third proportional to 1,382,647,954 and 2,021,479,638 is: 2,955,473,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,647,954 : 2,021,479,638 = 2,021,479,638 : x
  2. Step 2: Convert to fraction form
    1,382,647,954/2,021,479,638 = 2,021,479,638/x
  3. Step 3: Cross multiply
    1,382,647,954x = 2,021,479,638 × 2,021,479,638
  4. Step 4: Simplify right side
    1,382,647,954x = 4,086,379,926,848,610,816
  5. Step 5: Solve for x
    x = 4,086,379,926,848,610,816/1,382,647,954
  6. Step 6: Final answer
    x = 2,955,473,889.81

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.