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Finding the Third Proportional to 133,619,766 and 279,456,720

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Solution

The third proportional to 133,619,766 and 279,456,720 is: 584,464,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,619,766 : 279,456,720 = 279,456,720 : x
  2. Step 2: Convert to fraction form
    133,619,766/279,456,720 = 279,456,720/x
  3. Step 3: Cross multiply
    133,619,766x = 279,456,720 × 279,456,720
  4. Step 4: Simplify right side
    133,619,766x = 78,096,058,353,158,400
  5. Step 5: Solve for x
    x = 78,096,058,353,158,400/133,619,766
  6. Step 6: Final answer
    x = 584,464,863.93

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.