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Finding the Third Proportional to 363 and 484.50

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Solution

The third proportional to 363 and 484.50 is: 646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    363 : 484.50 = 484.50 : x
  2. Step 2: Convert to fraction form
    363/484.50 = 484.50/x
  3. Step 3: Cross multiply
    363x = 484.50 × 484.50
  4. Step 4: Simplify right side
    363x = 234,740.25
  5. Step 5: Solve for x
    x = 234,740.25/363
  6. Step 6: Final answer
    x = 646.67

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.