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Finding the Third Proportional to 379.50 and 603

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Solution

The third proportional to 379.50 and 603 is: 958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.50 : 603 = 603 : x
  2. Step 2: Convert to fraction form
    379.50/603 = 603/x
  3. Step 3: Cross multiply
    379.50x = 603 × 603
  4. Step 4: Simplify right side
    379.50x = 363,609
  5. Step 5: Solve for x
    x = 363,609/379.50
  6. Step 6: Final answer
    x = 958.13

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.