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Finding the Third Proportional to 122,171,888 and 263,472,520

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Solution

The third proportional to 122,171,888 and 263,472,520 is: 568,197,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,171,888 : 263,472,520 = 263,472,520 : x
  2. Step 2: Convert to fraction form
    122,171,888/263,472,520 = 263,472,520/x
  3. Step 3: Cross multiply
    122,171,888x = 263,472,520 × 263,472,520
  4. Step 4: Simplify right side
    122,171,888x = 69,417,768,795,150,400
  5. Step 5: Solve for x
    x = 69,417,768,795,150,400/122,171,888
  6. Step 6: Final answer
    x = 568,197,561.09

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.