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Finding the Third Proportional to 3,397,976 and 7,299,696

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Solution

The third proportional to 3,397,976 and 7,299,696 is: 15,681,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,976 : 7,299,696 = 7,299,696 : x
  2. Step 2: Convert to fraction form
    3,397,976/7,299,696 = 7,299,696/x
  3. Step 3: Cross multiply
    3,397,976x = 7,299,696 × 7,299,696
  4. Step 4: Simplify right side
    3,397,976x = 53,285,561,692,416
  5. Step 5: Solve for x
    x = 53,285,561,692,416/3,397,976
  6. Step 6: Final answer
    x = 15,681,559.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.