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Finding the Third Proportional to 221,420,044.50 and 475,699,419

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Solution

The third proportional to 221,420,044.50 and 475,699,419 is: 1,021,993,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,420,044.50 : 475,699,419 = 475,699,419 : x
  2. Step 2: Convert to fraction form
    221,420,044.50/475,699,419 = 475,699,419/x
  3. Step 3: Cross multiply
    221,420,044.50x = 475,699,419 × 475,699,419
  4. Step 4: Simplify right side
    221,420,044.50x = 226,289,937,236,937,568
  5. Step 5: Solve for x
    x = 226,289,937,236,937,568/221,420,044.50
  6. Step 6: Final answer
    x = 1,021,993,910.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.