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Finding the Third Proportional to 171,993,858 and 374,219,460

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Solution

The third proportional to 171,993,858 and 374,219,460 is: 814,216,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,993,858 : 374,219,460 = 374,219,460 : x
  2. Step 2: Convert to fraction form
    171,993,858/374,219,460 = 374,219,460/x
  3. Step 3: Cross multiply
    171,993,858x = 374,219,460 × 374,219,460
  4. Step 4: Simplify right side
    171,993,858x = 140,040,204,242,691,600
  5. Step 5: Solve for x
    x = 140,040,204,242,691,600/171,993,858
  6. Step 6: Final answer
    x = 814,216,309.07

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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.