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Finding the Third Proportional to 328.50 and 759

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Solution

The third proportional to 328.50 and 759 is: 1,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    328.50 : 759 = 759 : x
  2. Step 2: Convert to fraction form
    328.50/759 = 759/x
  3. Step 3: Cross multiply
    328.50x = 759 × 759
  4. Step 4: Simplify right side
    328.50x = 576,081
  5. Step 5: Solve for x
    x = 576,081/328.50
  6. Step 6: Final answer
    x = 1,753.67

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.