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Finding the Third Proportional to 8,653 and 18,824

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Solution

The third proportional to 8,653 and 18,824 is: 40,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653 : 18,824 = 18,824 : x
  2. Step 2: Convert to fraction form
    8,653/18,824 = 18,824/x
  3. Step 3: Cross multiply
    8,653x = 18,824 × 18,824
  4. Step 4: Simplify right side
    8,653x = 354,342,976
  5. Step 5: Solve for x
    x = 354,342,976/8,653
  6. Step 6: Final answer
    x = 40,950.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.