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Finding the Third Proportional to 5,199,376 and 11,220,824

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Solution

The third proportional to 5,199,376 and 11,220,824 is: 24,215,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,376 : 11,220,824 = 11,220,824 : x
  2. Step 2: Convert to fraction form
    5,199,376/11,220,824 = 11,220,824/x
  3. Step 3: Cross multiply
    5,199,376x = 11,220,824 × 11,220,824
  4. Step 4: Simplify right side
    5,199,376x = 125,906,891,238,976
  5. Step 5: Solve for x
    x = 125,906,891,238,976/5,199,376
  6. Step 6: Final answer
    x = 24,215,769.59

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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.