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Finding the Third Proportional to 220,473,819 and 481,291,227

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Solution

The third proportional to 220,473,819 and 481,291,227 is: 1,050,651,937.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,473,819 : 481,291,227 = 481,291,227 : x
  2. Step 2: Convert to fraction form
    220,473,819/481,291,227 = 481,291,227/x
  3. Step 3: Cross multiply
    220,473,819x = 481,291,227 × 481,291,227
  4. Step 4: Simplify right side
    220,473,819x = 231,641,245,187,165,536
  5. Step 5: Solve for x
    x = 231,641,245,187,165,536/220,473,819
  6. Step 6: Final answer
    x = 1,050,651,937.89

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.