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Finding the Third Proportional to 5,521,212 and 11,310,147

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Solution

The third proportional to 5,521,212 and 11,310,147 is: 23,168,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521,212 : 11,310,147 = 11,310,147 : x
  2. Step 2: Convert to fraction form
    5,521,212/11,310,147 = 11,310,147/x
  3. Step 3: Cross multiply
    5,521,212x = 11,310,147 × 11,310,147
  4. Step 4: Simplify right side
    5,521,212x = 127,919,425,161,609
  5. Step 5: Solve for x
    x = 127,919,425,161,609/5,521,212
  6. Step 6: Final answer
    x = 23,168,721.86

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.