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Finding the Third Proportional to 74,595,067 and 156,920,161

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Solution

The third proportional to 74,595,067 and 156,920,161 is: 330,101,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,595,067 : 156,920,161 = 156,920,161 : x
  2. Step 2: Convert to fraction form
    74,595,067/156,920,161 = 156,920,161/x
  3. Step 3: Cross multiply
    74,595,067x = 156,920,161 × 156,920,161
  4. Step 4: Simplify right side
    74,595,067x = 24,623,936,928,265,920
  5. Step 5: Solve for x
    x = 24,623,936,928,265,920/74,595,067
  6. Step 6: Final answer
    x = 330,101,411.78

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.