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Finding the Third Proportional to 567 and 667.50

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Solution

The third proportional to 567 and 667.50 is: 785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    567 : 667.50 = 667.50 : x
  2. Step 2: Convert to fraction form
    567/667.50 = 667.50/x
  3. Step 3: Cross multiply
    567x = 667.50 × 667.50
  4. Step 4: Simplify right side
    567x = 445,556.25
  5. Step 5: Solve for x
    x = 445,556.25/567
  6. Step 6: Final answer
    x = 785.81

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.