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Finding the Third Proportional to 547.17 and 834.68

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Solution

The third proportional to 547.17 and 834.68 is: 1,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.17 : 834.68 = 834.68 : x
  2. Step 2: Convert to fraction form
    547.17/834.68 = 834.68/x
  3. Step 3: Cross multiply
    547.17x = 834.68 × 834.68
  4. Step 4: Simplify right side
    547.17x = 696,690.18
  5. Step 5: Solve for x
    x = 696,690.18/547.17
  6. Step 6: Final answer
    x = 1,273.26

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.