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Finding the Third Proportional to 239,561,496 and 490,474,800

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Solution

The third proportional to 239,561,496 and 490,474,800 is: 1,004,191,130.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,561,496 : 490,474,800 = 490,474,800 : x
  2. Step 2: Convert to fraction form
    239,561,496/490,474,800 = 490,474,800/x
  3. Step 3: Cross multiply
    239,561,496x = 490,474,800 × 490,474,800
  4. Step 4: Simplify right side
    239,561,496x = 240,565,529,435,040,000
  5. Step 5: Solve for x
    x = 240,565,529,435,040,000/239,561,496
  6. Step 6: Final answer
    x = 1,004,191,130.26

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.