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Finding the Third Proportional to 79,342,686 and 120,211,614

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Solution

The third proportional to 79,342,686 and 120,211,614 is: 182,131,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,342,686 : 120,211,614 = 120,211,614 : x
  2. Step 2: Convert to fraction form
    79,342,686/120,211,614 = 120,211,614/x
  3. Step 3: Cross multiply
    79,342,686x = 120,211,614 × 120,211,614
  4. Step 4: Simplify right side
    79,342,686x = 14,450,832,140,484,996
  5. Step 5: Solve for x
    x = 14,450,832,140,484,996/79,342,686
  6. Step 6: Final answer
    x = 182,131,874.64

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.