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Finding the Third Proportional to 178.25 and 364

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Solution

The third proportional to 178.25 and 364 is: 743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.25 : 364 = 364 : x
  2. Step 2: Convert to fraction form
    178.25/364 = 364/x
  3. Step 3: Cross multiply
    178.25x = 364 × 364
  4. Step 4: Simplify right side
    178.25x = 132,496
  5. Step 5: Solve for x
    x = 132,496/178.25
  6. Step 6: Final answer
    x = 743.32

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.