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Finding the Third Proportional to 171,993,868 and 374,219,480

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Solution

The third proportional to 171,993,868 and 374,219,480 is: 814,216,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,993,868 : 374,219,480 = 374,219,480 : x
  2. Step 2: Convert to fraction form
    171,993,868/374,219,480 = 374,219,480/x
  3. Step 3: Cross multiply
    171,993,868x = 374,219,480 × 374,219,480
  4. Step 4: Simplify right side
    171,993,868x = 140,040,219,211,470,400
  5. Step 5: Solve for x
    x = 140,040,219,211,470,400/171,993,868
  6. Step 6: Final answer
    x = 814,216,348.76

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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.