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Finding the Third Proportional to 79,712,910 and 165,787,722

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Solution

The third proportional to 79,712,910 and 165,787,722 is: 344,806,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,712,910 : 165,787,722 = 165,787,722 : x
  2. Step 2: Convert to fraction form
    79,712,910/165,787,722 = 165,787,722/x
  3. Step 3: Cross multiply
    79,712,910x = 165,787,722 × 165,787,722
  4. Step 4: Simplify right side
    79,712,910x = 27,485,568,765,949,284
  5. Step 5: Solve for x
    x = 27,485,568,765,949,284/79,712,910
  6. Step 6: Final answer
    x = 344,806,992.57

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.