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Finding the Third Proportional to 7,105,831 and 15,628,512

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Solution

The third proportional to 7,105,831 and 15,628,512 is: 34,373,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,831 : 15,628,512 = 15,628,512 : x
  2. Step 2: Convert to fraction form
    7,105,831/15,628,512 = 15,628,512/x
  3. Step 3: Cross multiply
    7,105,831x = 15,628,512 × 15,628,512
  4. Step 4: Simplify right side
    7,105,831x = 244,250,387,334,144
  5. Step 5: Solve for x
    x = 244,250,387,334,144/7,105,831
  6. Step 6: Final answer
    x = 34,373,233.38

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.