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Finding the Third Proportional to 5,560 and 12,694

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Solution

The third proportional to 5,560 and 12,694 is: 28,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560 : 12,694 = 12,694 : x
  2. Step 2: Convert to fraction form
    5,560/12,694 = 12,694/x
  3. Step 3: Cross multiply
    5,560x = 12,694 × 12,694
  4. Step 4: Simplify right side
    5,560x = 161,137,636
  5. Step 5: Solve for x
    x = 161,137,636/5,560
  6. Step 6: Final answer
    x = 28,981.59

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.