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Finding the Third Proportional to 13,544 and 20,628

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Solution

The third proportional to 13,544 and 20,628 is: 31,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544 : 20,628 = 20,628 : x
  2. Step 2: Convert to fraction form
    13,544/20,628 = 20,628/x
  3. Step 3: Cross multiply
    13,544x = 20,628 × 20,628
  4. Step 4: Simplify right side
    13,544x = 425,514,384
  5. Step 5: Solve for x
    x = 425,514,384/13,544
  6. Step 6: Final answer
    x = 31,417.19

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.