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Finding the Third Proportional to 1,962,378 and 4,344,444

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Solution

The third proportional to 1,962,378 and 4,344,444 is: 9,618,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,378 : 4,344,444 = 4,344,444 : x
  2. Step 2: Convert to fraction form
    1,962,378/4,344,444 = 4,344,444/x
  3. Step 3: Cross multiply
    1,962,378x = 4,344,444 × 4,344,444
  4. Step 4: Simplify right side
    1,962,378x = 18,874,193,669,136
  5. Step 5: Solve for x
    x = 18,874,193,669,136/1,962,378
  6. Step 6: Final answer
    x = 9,618,021.44

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.