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Finding the Third Proportional to 5,468,979 and 11,785,782

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Solution

The third proportional to 5,468,979 and 11,785,782 is: 25,398,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468,979 : 11,785,782 = 11,785,782 : x
  2. Step 2: Convert to fraction form
    5,468,979/11,785,782 = 11,785,782/x
  3. Step 3: Cross multiply
    5,468,979x = 11,785,782 × 11,785,782
  4. Step 4: Simplify right side
    5,468,979x = 138,904,657,351,524
  5. Step 5: Solve for x
    x = 138,904,657,351,524/5,468,979
  6. Step 6: Final answer
    x = 25,398,645.22

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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.