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Finding the Third Proportional to 6,520 and 13,324

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Solution

The third proportional to 6,520 and 13,324 is: 27,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520 : 13,324 = 13,324 : x
  2. Step 2: Convert to fraction form
    6,520/13,324 = 13,324/x
  3. Step 3: Cross multiply
    6,520x = 13,324 × 13,324
  4. Step 4: Simplify right side
    6,520x = 177,528,976
  5. Step 5: Solve for x
    x = 177,528,976/6,520
  6. Step 6: Final answer
    x = 27,228.37

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.