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Finding the Third Proportional to 4,431,574 and 9,639,601

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Solution

The third proportional to 4,431,574 and 9,639,601 is: 20,968,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431,574 : 9,639,601 = 9,639,601 : x
  2. Step 2: Convert to fraction form
    4,431,574/9,639,601 = 9,639,601/x
  3. Step 3: Cross multiply
    4,431,574x = 9,639,601 × 9,639,601
  4. Step 4: Simplify right side
    4,431,574x = 92,921,907,439,201
  5. Step 5: Solve for x
    x = 92,921,907,439,201/4,431,574
  6. Step 6: Final answer
    x = 20,968,149.79

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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.