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Finding the Third Proportional to 230,978,690 and 481,063,376

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Solution

The third proportional to 230,978,690 and 481,063,376 is: 1,001,919,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,978,690 : 481,063,376 = 481,063,376 : x
  2. Step 2: Convert to fraction form
    230,978,690/481,063,376 = 481,063,376/x
  3. Step 3: Cross multiply
    230,978,690x = 481,063,376 × 481,063,376
  4. Step 4: Simplify right side
    230,978,690x = 231,421,971,728,517,376
  5. Step 5: Solve for x
    x = 231,421,971,728,517,376/230,978,690
  6. Step 6: Final answer
    x = 1,001,919,145.56

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.