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Finding the Third Proportional to 7,328 and 13,616

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Solution

The third proportional to 7,328 and 13,616 is: 25,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328 : 13,616 = 13,616 : x
  2. Step 2: Convert to fraction form
    7,328/13,616 = 13,616/x
  3. Step 3: Cross multiply
    7,328x = 13,616 × 13,616
  4. Step 4: Simplify right side
    7,328x = 185,395,456
  5. Step 5: Solve for x
    x = 185,395,456/7,328
  6. Step 6: Final answer
    x = 25,299.60

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.