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Finding the Third Proportional to 7,224 and 13,696

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Solution

The third proportional to 7,224 and 13,696 is: 25,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224 : 13,696 = 13,696 : x
  2. Step 2: Convert to fraction form
    7,224/13,696 = 13,696/x
  3. Step 3: Cross multiply
    7,224x = 13,696 × 13,696
  4. Step 4: Simplify right side
    7,224x = 187,580,416
  5. Step 5: Solve for x
    x = 187,580,416/7,224
  6. Step 6: Final answer
    x = 25,966.28

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.