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Finding the Third Proportional to 358.88 and 523.13

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Solution

The third proportional to 358.88 and 523.13 is: 762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.88 : 523.13 = 523.13 : x
  2. Step 2: Convert to fraction form
    358.88/523.13 = 523.13/x
  3. Step 3: Cross multiply
    358.88x = 523.13 × 523.13
  4. Step 4: Simplify right side
    358.88x = 273,659.77
  5. Step 5: Solve for x
    x = 273,659.77/358.88
  6. Step 6: Final answer
    x = 762.55

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.