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Finding the Third Proportional to 343.75 and 533

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Solution

The third proportional to 343.75 and 533 is: 826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.75 : 533 = 533 : x
  2. Step 2: Convert to fraction form
    343.75/533 = 533/x
  3. Step 3: Cross multiply
    343.75x = 533 × 533
  4. Step 4: Simplify right side
    343.75x = 284,089
  5. Step 5: Solve for x
    x = 284,089/343.75
  6. Step 6: Final answer
    x = 826.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.