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Finding the Third Proportional to 379.13 and 603.56

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Solution

The third proportional to 379.13 and 603.56 is: 960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.13 : 603.56 = 603.56 : x
  2. Step 2: Convert to fraction form
    379.13/603.56 = 603.56/x
  3. Step 3: Cross multiply
    379.13x = 603.56 × 603.56
  4. Step 4: Simplify right side
    379.13x = 364,287.69
  5. Step 5: Solve for x
    x = 364,287.69/379.13
  6. Step 6: Final answer
    x = 960.86

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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.