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Finding the Third Proportional to 18,573 and 27,864

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Solution

The third proportional to 18,573 and 27,864 is: 41,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573 : 27,864 = 27,864 : x
  2. Step 2: Convert to fraction form
    18,573/27,864 = 27,864/x
  3. Step 3: Cross multiply
    18,573x = 27,864 × 27,864
  4. Step 4: Simplify right side
    18,573x = 776,402,496
  5. Step 5: Solve for x
    x = 776,402,496/18,573
  6. Step 6: Final answer
    x = 41,802.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.