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Finding the Third Proportional to 13,362 and 20,771

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Solution

The third proportional to 13,362 and 20,771 is: 32,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362 : 20,771 = 20,771 : x
  2. Step 2: Convert to fraction form
    13,362/20,771 = 20,771/x
  3. Step 3: Cross multiply
    13,362x = 20,771 × 20,771
  4. Step 4: Simplify right side
    13,362x = 431,434,441
  5. Step 5: Solve for x
    x = 431,434,441/13,362
  6. Step 6: Final answer
    x = 32,288.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.