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Finding the Third Proportional to 328 and 829

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Solution

The third proportional to 328 and 829 is: 2,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328 : 829 = 829 : x
  2. Step 2: Convert to fraction form
    328/829 = 829/x
  3. Step 3: Cross multiply
    328x = 829 × 829
  4. Step 4: Simplify right side
    328x = 687,241
  5. Step 5: Solve for x
    x = 687,241/328
  6. Step 6: Final answer
    x = 2,095.25

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These problems maintain the same ratio (2.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.