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Finding the Third Proportional to 36,636 and 75,212

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Solution

The third proportional to 36,636 and 75,212 is: 154,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,636 : 75,212 = 75,212 : x
  2. Step 2: Convert to fraction form
    36,636/75,212 = 75,212/x
  3. Step 3: Cross multiply
    36,636x = 75,212 × 75,212
  4. Step 4: Simplify right side
    36,636x = 5,656,844,944
  5. Step 5: Solve for x
    x = 5,656,844,944/36,636
  6. Step 6: Final answer
    x = 154,406.73

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.