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Finding the Third Proportional to 11,428,626 and 15,521,307

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Solution

The third proportional to 11,428,626 and 15,521,307 is: 21,079,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428,626 : 15,521,307 = 15,521,307 : x
  2. Step 2: Convert to fraction form
    11,428,626/15,521,307 = 15,521,307/x
  3. Step 3: Cross multiply
    11,428,626x = 15,521,307 × 15,521,307
  4. Step 4: Simplify right side
    11,428,626x = 240,910,970,988,249
  5. Step 5: Solve for x
    x = 240,910,970,988,249/11,428,626
  6. Step 6: Final answer
    x = 21,079,609.31

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.