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Finding the Third Proportional to 447,880,990.57 and 671,821,556.10

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Solution

The third proportional to 447,880,990.57 and 671,821,556.10 is: 1,007,732,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,880,990.57 : 671,821,556.10 = 671,821,556.10 : x
  2. Step 2: Convert to fraction form
    447,880,990.57/671,821,556.10 = 671,821,556.10/x
  3. Step 3: Cross multiply
    447,880,990.57x = 671,821,556.10 × 671,821,556.10
  4. Step 4: Simplify right side
    447,880,990.57x = 451,344,203,237,535,040
  5. Step 5: Solve for x
    x = 451,344,203,237,535,040/447,880,990.57
  6. Step 6: Final answer
    x = 1,007,732,439.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.