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Finding the Third Proportional to 22,091 and 28,668

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Solution

The third proportional to 22,091 and 28,668 is: 37,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091 : 28,668 = 28,668 : x
  2. Step 2: Convert to fraction form
    22,091/28,668 = 28,668/x
  3. Step 3: Cross multiply
    22,091x = 28,668 × 28,668
  4. Step 4: Simplify right side
    22,091x = 821,854,224
  5. Step 5: Solve for x
    x = 821,854,224/22,091
  6. Step 6: Final answer
    x = 37,203.12

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.