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Finding the Third Proportional to 133,984,892 and 290,228,616

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Solution

The third proportional to 133,984,892 and 290,228,616 is: 628,672,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,984,892 : 290,228,616 = 290,228,616 : x
  2. Step 2: Convert to fraction form
    133,984,892/290,228,616 = 290,228,616/x
  3. Step 3: Cross multiply
    133,984,892x = 290,228,616 × 290,228,616
  4. Step 4: Simplify right side
    133,984,892x = 84,232,649,545,275,456
  5. Step 5: Solve for x
    x = 84,232,649,545,275,456/133,984,892
  6. Step 6: Final answer
    x = 628,672,742.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.