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Finding the Third Proportional to 5,179,716 and 11,278,998

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Solution

The third proportional to 5,179,716 and 11,278,998 is: 24,560,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179,716 : 11,278,998 = 11,278,998 : x
  2. Step 2: Convert to fraction form
    5,179,716/11,278,998 = 11,278,998/x
  3. Step 3: Cross multiply
    5,179,716x = 11,278,998 × 11,278,998
  4. Step 4: Simplify right side
    5,179,716x = 127,215,795,884,004
  5. Step 5: Solve for x
    x = 127,215,795,884,004/5,179,716
  6. Step 6: Final answer
    x = 24,560,380.51

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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.