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Finding the Third Proportional to 534.94 and 676.41

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Solution

The third proportional to 534.94 and 676.41 is: 855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.94 : 676.41 = 676.41 : x
  2. Step 2: Convert to fraction form
    534.94/676.41 = 676.41/x
  3. Step 3: Cross multiply
    534.94x = 676.41 × 676.41
  4. Step 4: Simplify right side
    534.94x = 457,525.42
  5. Step 5: Solve for x
    x = 457,525.42/534.94
  6. Step 6: Final answer
    x = 855.29

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.