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Finding the Third Proportional to 164 and 372

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Solution

The third proportional to 164 and 372 is: 843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164 : 372 = 372 : x
  2. Step 2: Convert to fraction form
    164/372 = 372/x
  3. Step 3: Cross multiply
    164x = 372 × 372
  4. Step 4: Simplify right side
    164x = 138,384
  5. Step 5: Solve for x
    x = 138,384/164
  6. Step 6: Final answer
    x = 843.80

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.