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Finding the Third Proportional to 536 and 866

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Solution

The third proportional to 536 and 866 is: 1,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    536 : 866 = 866 : x
  2. Step 2: Convert to fraction form
    536/866 = 866/x
  3. Step 3: Cross multiply
    536x = 866 × 866
  4. Step 4: Simplify right side
    536x = 749,956
  5. Step 5: Solve for x
    x = 749,956/536
  6. Step 6: Final answer
    x = 1,399.17

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.