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Finding the Third Proportional to 4,982,021 and 10,728,134

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Solution

The third proportional to 4,982,021 and 10,728,134 is: 23,101,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982,021 : 10,728,134 = 10,728,134 : x
  2. Step 2: Convert to fraction form
    4,982,021/10,728,134 = 10,728,134/x
  3. Step 3: Cross multiply
    4,982,021x = 10,728,134 × 10,728,134
  4. Step 4: Simplify right side
    4,982,021x = 115,092,859,121,956
  5. Step 5: Solve for x
    x = 115,092,859,121,956/4,982,021
  6. Step 6: Final answer
    x = 23,101,640.70

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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.