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Finding the Third Proportional to 3,511,747 and 7,661,645

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Solution

The third proportional to 3,511,747 and 7,661,645 is: 16,715,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,747 : 7,661,645 = 7,661,645 : x
  2. Step 2: Convert to fraction form
    3,511,747/7,661,645 = 7,661,645/x
  3. Step 3: Cross multiply
    3,511,747x = 7,661,645 × 7,661,645
  4. Step 4: Simplify right side
    3,511,747x = 58,700,804,106,025
  5. Step 5: Solve for x
    x = 58,700,804,106,025/3,511,747
  6. Step 6: Final answer
    x = 16,715,556.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.