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Finding the Third Proportional to 13,696 and 29,920

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Solution

The third proportional to 13,696 and 29,920 is: 65,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696 : 29,920 = 29,920 : x
  2. Step 2: Convert to fraction form
    13,696/29,920 = 29,920/x
  3. Step 3: Cross multiply
    13,696x = 29,920 × 29,920
  4. Step 4: Simplify right side
    13,696x = 895,206,400
  5. Step 5: Solve for x
    x = 895,206,400/13,696
  6. Step 6: Final answer
    x = 65,362.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.