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Finding the Third Proportional to 13,131 and 28,449

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Solution

The third proportional to 13,131 and 28,449 is: 61,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131 : 28,449 = 28,449 : x
  2. Step 2: Convert to fraction form
    13,131/28,449 = 28,449/x
  3. Step 3: Cross multiply
    13,131x = 28,449 × 28,449
  4. Step 4: Simplify right side
    13,131x = 809,345,601
  5. Step 5: Solve for x
    x = 809,345,601/13,131
  6. Step 6: Final answer
    x = 61,636.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.