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Finding the Third Proportional to 3,903,717.75 and 8,458,974.75

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Solution

The third proportional to 3,903,717.75 and 8,458,974.75 is: 18,329,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,717.75 : 8,458,974.75 = 8,458,974.75 : x
  2. Step 2: Convert to fraction form
    3,903,717.75/8,458,974.75 = 8,458,974.75/x
  3. Step 3: Cross multiply
    3,903,717.75x = 8,458,974.75 × 8,458,974.75
  4. Step 4: Simplify right side
    3,903,717.75x = 71,554,253,821,137.56
  5. Step 5: Solve for x
    x = 71,554,253,821,137.56/3,903,717.75
  6. Step 6: Final answer
    x = 18,329,771.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.