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Finding the Third Proportional to 918,789,867 and 1,412,245,867

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Solution

The third proportional to 918,789,867 and 1,412,245,867 is: 2,170,723,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,789,867 : 1,412,245,867 = 1,412,245,867 : x
  2. Step 2: Convert to fraction form
    918,789,867/1,412,245,867 = 1,412,245,867/x
  3. Step 3: Cross multiply
    918,789,867x = 1,412,245,867 × 1,412,245,867
  4. Step 4: Simplify right side
    918,789,867x = 1,994,438,388,858,581,760
  5. Step 5: Solve for x
    x = 1,994,438,388,858,581,760/918,789,867
  6. Step 6: Final answer
    x = 2,170,723,100.56

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.