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Finding the Third Proportional to 13,912 and 28,636

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Solution

The third proportional to 13,912 and 28,636 is: 58,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912 : 28,636 = 28,636 : x
  2. Step 2: Convert to fraction form
    13,912/28,636 = 28,636/x
  3. Step 3: Cross multiply
    13,912x = 28,636 × 28,636
  4. Step 4: Simplify right side
    13,912x = 820,020,496
  5. Step 5: Solve for x
    x = 820,020,496/13,912
  6. Step 6: Final answer
    x = 58,943.39

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.