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Finding the Third Proportional to 20,186 and 27,796

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Solution

The third proportional to 20,186 and 27,796 is: 38,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186 : 27,796 = 27,796 : x
  2. Step 2: Convert to fraction form
    20,186/27,796 = 27,796/x
  3. Step 3: Cross multiply
    20,186x = 27,796 × 27,796
  4. Step 4: Simplify right side
    20,186x = 772,617,616
  5. Step 5: Solve for x
    x = 772,617,616/20,186
  6. Step 6: Final answer
    x = 38,274.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.