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Finding the Third Proportional to 101,703,288 and 222,419,868

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Solution

The third proportional to 101,703,288 and 222,419,868 is: 486,420,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,703,288 : 222,419,868 = 222,419,868 : x
  2. Step 2: Convert to fraction form
    101,703,288/222,419,868 = 222,419,868/x
  3. Step 3: Cross multiply
    101,703,288x = 222,419,868 × 222,419,868
  4. Step 4: Simplify right side
    101,703,288x = 49,470,597,681,137,424
  5. Step 5: Solve for x
    x = 49,470,597,681,137,424/101,703,288
  6. Step 6: Final answer
    x = 486,420,829.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.