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Finding the Third Proportional to 3,187,912 and 6,879,608

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Solution

The third proportional to 3,187,912 and 6,879,608 is: 14,846,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,912 : 6,879,608 = 6,879,608 : x
  2. Step 2: Convert to fraction form
    3,187,912/6,879,608 = 6,879,608/x
  3. Step 3: Cross multiply
    3,187,912x = 6,879,608 × 6,879,608
  4. Step 4: Simplify right side
    3,187,912x = 47,329,006,233,664
  5. Step 5: Solve for x
    x = 47,329,006,233,664/3,187,912
  6. Step 6: Final answer
    x = 14,846,396.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.