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Finding the Third Proportional to 22,816 and 27,808

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Solution

The third proportional to 22,816 and 27,808 is: 33,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816 : 27,808 = 27,808 : x
  2. Step 2: Convert to fraction form
    22,816/27,808 = 27,808/x
  3. Step 3: Cross multiply
    22,816x = 27,808 × 27,808
  4. Step 4: Simplify right side
    22,816x = 773,284,864
  5. Step 5: Solve for x
    x = 773,284,864/22,816
  6. Step 6: Final answer
    x = 33,892.22

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.