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Finding the Third Proportional to 544 and 866

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Solution

The third proportional to 544 and 866 is: 1,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544 : 866 = 866 : x
  2. Step 2: Convert to fraction form
    544/866 = 866/x
  3. Step 3: Cross multiply
    544x = 866 × 866
  4. Step 4: Simplify right side
    544x = 749,956
  5. Step 5: Solve for x
    x = 749,956/544
  6. Step 6: Final answer
    x = 1,378.60

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.