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Finding the Third Proportional to 79,318 and 165,212

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Solution

The third proportional to 79,318 and 165,212 is: 344,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,318 : 165,212 = 165,212 : x
  2. Step 2: Convert to fraction form
    79,318/165,212 = 165,212/x
  3. Step 3: Cross multiply
    79,318x = 165,212 × 165,212
  4. Step 4: Simplify right side
    79,318x = 27,295,004,944
  5. Step 5: Solve for x
    x = 27,295,004,944/79,318
  6. Step 6: Final answer
    x = 344,121.19

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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.