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Finding the Third Proportional to 177 and 264.38

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Solution

The third proportional to 177 and 264.38 is: 394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177 : 264.38 = 264.38 : x
  2. Step 2: Convert to fraction form
    177/264.38 = 264.38/x
  3. Step 3: Cross multiply
    177x = 264.38 × 264.38
  4. Step 4: Simplify right side
    177x = 69,894.14
  5. Step 5: Solve for x
    x = 69,894.14/177
  6. Step 6: Final answer
    x = 394.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.