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Finding the Third Proportional to 189,647,844.75 and 413,753,879.25

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Solution

The third proportional to 189,647,844.75 and 413,753,879.25 is: 902,685,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,647,844.75 : 413,753,879.25 = 413,753,879.25 : x
  2. Step 2: Convert to fraction form
    189,647,844.75/413,753,879.25 = 413,753,879.25/x
  3. Step 3: Cross multiply
    189,647,844.75x = 413,753,879.25 × 413,753,879.25
  4. Step 4: Simplify right side
    189,647,844.75x = 171,192,272,594,423,584
  5. Step 5: Solve for x
    x = 171,192,272,594,423,584/189,647,844.75
  6. Step 6: Final answer
    x = 902,685,041.43

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Why These Related Problems?

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