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Finding the Third Proportional to 37,794 and 79,242

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Solution

The third proportional to 37,794 and 79,242 is: 166,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,794 : 79,242 = 79,242 : x
  2. Step 2: Convert to fraction form
    37,794/79,242 = 79,242/x
  3. Step 3: Cross multiply
    37,794x = 79,242 × 79,242
  4. Step 4: Simplify right side
    37,794x = 6,279,294,564
  5. Step 5: Solve for x
    x = 6,279,294,564/37,794
  6. Step 6: Final answer
    x = 166,145.28

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.