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Finding the Third Proportional to 52,212 and 79,544

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Solution

The third proportional to 52,212 and 79,544 is: 121,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212 : 79,544 = 79,544 : x
  2. Step 2: Convert to fraction form
    52,212/79,544 = 79,544/x
  3. Step 3: Cross multiply
    52,212x = 79,544 × 79,544
  4. Step 4: Simplify right side
    52,212x = 6,327,247,936
  5. Step 5: Solve for x
    x = 6,327,247,936/52,212
  6. Step 6: Final answer
    x = 121,183.79

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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.