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Finding the Third Proportional to 164 and 245.25

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Solution

The third proportional to 164 and 245.25 is: 366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    164 : 245.25 = 245.25 : x
  2. Step 2: Convert to fraction form
    164/245.25 = 245.25/x
  3. Step 3: Cross multiply
    164x = 245.25 × 245.25
  4. Step 4: Simplify right side
    164x = 60,147.56
  5. Step 5: Solve for x
    x = 60,147.56/164
  6. Step 6: Final answer
    x = 366.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.