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Finding the Third Proportional to 544 and 905

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Solution

The third proportional to 544 and 905 is: 1,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    544 : 905 = 905 : x
  2. Step 2: Convert to fraction form
    544/905 = 905/x
  3. Step 3: Cross multiply
    544x = 905 × 905
  4. Step 4: Simplify right side
    544x = 819,025
  5. Step 5: Solve for x
    x = 819,025/544
  6. Step 6: Final answer
    x = 1,505.56

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.