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Finding the Third Proportional to 79,260 and 169,212

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Solution

The third proportional to 79,260 and 169,212 is: 361,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,260 : 169,212 = 169,212 : x
  2. Step 2: Convert to fraction form
    79,260/169,212 = 169,212/x
  3. Step 3: Cross multiply
    79,260x = 169,212 × 169,212
  4. Step 4: Simplify right side
    79,260x = 28,632,700,944
  5. Step 5: Solve for x
    x = 28,632,700,944/79,260
  6. Step 6: Final answer
    x = 361,250.33

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.