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Finding the Third Proportional to 567 and 811.69

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Solution

The third proportional to 567 and 811.69 is: 1,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    567 : 811.69 = 811.69 : x
  2. Step 2: Convert to fraction form
    567/811.69 = 811.69/x
  3. Step 3: Cross multiply
    567x = 811.69 × 811.69
  4. Step 4: Simplify right side
    567x = 658,836.60
  5. Step 5: Solve for x
    x = 658,836.60/567
  6. Step 6: Final answer
    x = 1,161.97

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.