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Finding the Third Proportional to 4,578,876 and 9,944,424

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Solution

The third proportional to 4,578,876 and 9,944,424 is: 21,597,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578,876 : 9,944,424 = 9,944,424 : x
  2. Step 2: Convert to fraction form
    4,578,876/9,944,424 = 9,944,424/x
  3. Step 3: Cross multiply
    4,578,876x = 9,944,424 × 9,944,424
  4. Step 4: Simplify right side
    4,578,876x = 98,891,568,691,776
  5. Step 5: Solve for x
    x = 98,891,568,691,776/4,578,876
  6. Step 6: Final answer
    x = 21,597,345.88

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.