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Finding the Third Proportional to 338 and 576

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Solution

The third proportional to 338 and 576 is: 981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    338 : 576 = 576 : x
  2. Step 2: Convert to fraction form
    338/576 = 576/x
  3. Step 3: Cross multiply
    338x = 576 × 576
  4. Step 4: Simplify right side
    338x = 331,776
  5. Step 5: Solve for x
    x = 331,776/338
  6. Step 6: Final answer
    x = 981.59

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These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.