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Finding the Third Proportional to 363.38 and 580.13

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Solution

The third proportional to 363.38 and 580.13 is: 926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.38 : 580.13 = 580.13 : x
  2. Step 2: Convert to fraction form
    363.38/580.13 = 580.13/x
  3. Step 3: Cross multiply
    363.38x = 580.13 × 580.13
  4. Step 4: Simplify right side
    363.38x = 336,545.02
  5. Step 5: Solve for x
    x = 336,545.02/363.38
  6. Step 6: Final answer
    x = 926.16

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.