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Finding the Third Proportional to 3,696 and 6,636

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Solution

The third proportional to 3,696 and 6,636 is: 11,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696 : 6,636 = 6,636 : x
  2. Step 2: Convert to fraction form
    3,696/6,636 = 6,636/x
  3. Step 3: Cross multiply
    3,696x = 6,636 × 6,636
  4. Step 4: Simplify right side
    3,696x = 44,036,496
  5. Step 5: Solve for x
    x = 44,036,496/3,696
  6. Step 6: Final answer
    x = 11,914.64

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.