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Finding the Third Proportional to 363 and 747.75

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Solution

The third proportional to 363 and 747.75 is: 1,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363 : 747.75 = 747.75 : x
  2. Step 2: Convert to fraction form
    363/747.75 = 747.75/x
  3. Step 3: Cross multiply
    363x = 747.75 × 747.75
  4. Step 4: Simplify right side
    363x = 559,130.06
  5. Step 5: Solve for x
    x = 559,130.06/363
  6. Step 6: Final answer
    x = 1,540.30

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.