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Finding the Third Proportional to 5,220 and 5,766

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Solution

The third proportional to 5,220 and 5,766 is: 6,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220 : 5,766 = 5,766 : x
  2. Step 2: Convert to fraction form
    5,220/5,766 = 5,766/x
  3. Step 3: Cross multiply
    5,220x = 5,766 × 5,766
  4. Step 4: Simplify right side
    5,220x = 33,246,756
  5. Step 5: Solve for x
    x = 33,246,756/5,220
  6. Step 6: Final answer
    x = 6,369.11

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.