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Finding the Third Proportional to 2,479,791 and 5,257,176

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Solution

The third proportional to 2,479,791 and 5,257,176 is: 11,145,253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,791 : 5,257,176 = 5,257,176 : x
  2. Step 2: Convert to fraction form
    2,479,791/5,257,176 = 5,257,176/x
  3. Step 3: Cross multiply
    2,479,791x = 5,257,176 × 5,257,176
  4. Step 4: Simplify right side
    2,479,791x = 27,637,899,494,976
  5. Step 5: Solve for x
    x = 27,637,899,494,976/2,479,791
  6. Step 6: Final answer
    x = 11,145,253.57

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.