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Finding the Third Proportional to 18,268 and 25,880

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Solution

The third proportional to 18,268 and 25,880 is: 36,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268 : 25,880 = 25,880 : x
  2. Step 2: Convert to fraction form
    18,268/25,880 = 25,880/x
  3. Step 3: Cross multiply
    18,268x = 25,880 × 25,880
  4. Step 4: Simplify right side
    18,268x = 669,774,400
  5. Step 5: Solve for x
    x = 669,774,400/18,268
  6. Step 6: Final answer
    x = 36,663.81

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.