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Finding the Third Proportional to 3,311.50 and 4,503.50

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Solution

The third proportional to 3,311.50 and 4,503.50 is: 6,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.50 : 4,503.50 = 4,503.50 : x
  2. Step 2: Convert to fraction form
    3,311.50/4,503.50 = 4,503.50/x
  3. Step 3: Cross multiply
    3,311.50x = 4,503.50 × 4,503.50
  4. Step 4: Simplify right side
    3,311.50x = 20,281,512.25
  5. Step 5: Solve for x
    x = 20,281,512.25/3,311.50
  6. Step 6: Final answer
    x = 6,124.57

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.