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Finding the Third Proportional to 122,872,360 and 263,979,314

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Solution

The third proportional to 122,872,360 and 263,979,314 is: 567,133,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,872,360 : 263,979,314 = 263,979,314 : x
  2. Step 2: Convert to fraction form
    122,872,360/263,979,314 = 263,979,314/x
  3. Step 3: Cross multiply
    122,872,360x = 263,979,314 × 263,979,314
  4. Step 4: Simplify right side
    122,872,360x = 69,685,078,219,910,592
  5. Step 5: Solve for x
    x = 69,685,078,219,910,592/122,872,360
  6. Step 6: Final answer
    x = 567,133,879.58

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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.