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Finding the Third Proportional to 18,378 and 24,822

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Solution

The third proportional to 18,378 and 24,822 is: 33,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378 : 24,822 = 24,822 : x
  2. Step 2: Convert to fraction form
    18,378/24,822 = 24,822/x
  3. Step 3: Cross multiply
    18,378x = 24,822 × 24,822
  4. Step 4: Simplify right side
    18,378x = 616,131,684
  5. Step 5: Solve for x
    x = 616,131,684/18,378
  6. Step 6: Final answer
    x = 33,525.50

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.