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Finding the Third Proportional to 203,978,055 and 437,060,805

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Solution

The third proportional to 203,978,055 and 437,060,805 is: 936,483,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,978,055 : 437,060,805 = 437,060,805 : x
  2. Step 2: Convert to fraction form
    203,978,055/437,060,805 = 437,060,805/x
  3. Step 3: Cross multiply
    203,978,055x = 437,060,805 × 437,060,805
  4. Step 4: Simplify right side
    203,978,055x = 191,022,147,267,248,032
  5. Step 5: Solve for x
    x = 191,022,147,267,248,032/203,978,055
  6. Step 6: Final answer
    x = 936,483,815.71

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.