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Finding the Third Proportional to 7,392,917 and 16,179,478

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Solution

The third proportional to 7,392,917 and 16,179,478 is: 35,408,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392,917 : 16,179,478 = 16,179,478 : x
  2. Step 2: Convert to fraction form
    7,392,917/16,179,478 = 16,179,478/x
  3. Step 3: Cross multiply
    7,392,917x = 16,179,478 × 16,179,478
  4. Step 4: Simplify right side
    7,392,917x = 261,775,508,352,484
  5. Step 5: Solve for x
    x = 261,775,508,352,484/7,392,917
  6. Step 6: Final answer
    x = 35,408,960.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.