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Finding the Third Proportional to 2,800 and 6,168

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Solution

The third proportional to 2,800 and 6,168 is: 13,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800 : 6,168 = 6,168 : x
  2. Step 2: Convert to fraction form
    2,800/6,168 = 6,168/x
  3. Step 3: Cross multiply
    2,800x = 6,168 × 6,168
  4. Step 4: Simplify right side
    2,800x = 38,044,224
  5. Step 5: Solve for x
    x = 38,044,224/2,800
  6. Step 6: Final answer
    x = 13,587.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.