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Finding the Third Proportional to 358.80 and 544.85

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Solution

The third proportional to 358.80 and 544.85 is: 827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.80 : 544.85 = 544.85 : x
  2. Step 2: Convert to fraction form
    358.80/544.85 = 544.85/x
  3. Step 3: Cross multiply
    358.80x = 544.85 × 544.85
  4. Step 4: Simplify right side
    358.80x = 296,863.23
  5. Step 5: Solve for x
    x = 296,863.23/358.80
  6. Step 6: Final answer
    x = 827.37

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.