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Finding the Third Proportional to 162 and 393.25

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Solution

The third proportional to 162 and 393.25 is: 954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162 : 393.25 = 393.25 : x
  2. Step 2: Convert to fraction form
    162/393.25 = 393.25/x
  3. Step 3: Cross multiply
    162x = 393.25 × 393.25
  4. Step 4: Simplify right side
    162x = 154,645.56
  5. Step 5: Solve for x
    x = 154,645.56/162
  6. Step 6: Final answer
    x = 954.60

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.