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Finding the Third Proportional to 436.50 and 484

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Solution

The third proportional to 436.50 and 484 is: 536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.50 : 484 = 484 : x
  2. Step 2: Convert to fraction form
    436.50/484 = 484/x
  3. Step 3: Cross multiply
    436.50x = 484 × 484
  4. Step 4: Simplify right side
    436.50x = 234,256
  5. Step 5: Solve for x
    x = 234,256/436.50
  6. Step 6: Final answer
    x = 536.67

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.