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Finding the Third Proportional to 18,822 and 27,564

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Solution

The third proportional to 18,822 and 27,564 is: 40,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822 : 27,564 = 27,564 : x
  2. Step 2: Convert to fraction form
    18,822/27,564 = 27,564/x
  3. Step 3: Cross multiply
    18,822x = 27,564 × 27,564
  4. Step 4: Simplify right side
    18,822x = 759,774,096
  5. Step 5: Solve for x
    x = 759,774,096/18,822
  6. Step 6: Final answer
    x = 40,366.28

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.