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Finding the Third Proportional to 13,514 and 18,516

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Solution

The third proportional to 13,514 and 18,516 is: 25,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514 : 18,516 = 18,516 : x
  2. Step 2: Convert to fraction form
    13,514/18,516 = 18,516/x
  3. Step 3: Cross multiply
    13,514x = 18,516 × 18,516
  4. Step 4: Simplify right side
    13,514x = 342,842,256
  5. Step 5: Solve for x
    x = 342,842,256/13,514
  6. Step 6: Final answer
    x = 25,369.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.