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Finding the Third Proportional to 518,131,856 and 740,934,245

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Solution

The third proportional to 518,131,856 and 740,934,245 is: 1,059,544,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,131,856 : 740,934,245 = 740,934,245 : x
  2. Step 2: Convert to fraction form
    518,131,856/740,934,245 = 740,934,245/x
  3. Step 3: Cross multiply
    518,131,856x = 740,934,245 × 740,934,245
  4. Step 4: Simplify right side
    518,131,856x = 548,983,555,413,720,000
  5. Step 5: Solve for x
    x = 548,983,555,413,720,000/518,131,856
  6. Step 6: Final answer
    x = 1,059,544,108.43

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.