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Finding the Third Proportional to 741.50 and 1,325

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Solution

The third proportional to 741.50 and 1,325 is: 2,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.50 : 1,325 = 1,325 : x
  2. Step 2: Convert to fraction form
    741.50/1,325 = 1,325/x
  3. Step 3: Cross multiply
    741.50x = 1,325 × 1,325
  4. Step 4: Simplify right side
    741.50x = 1,755,625
  5. Step 5: Solve for x
    x = 1,755,625/741.50
  6. Step 6: Final answer
    x = 2,367.67

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.