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Finding the Third Proportional to 8,853 and 18,732

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Solution

The third proportional to 8,853 and 18,732 is: 39,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853 : 18,732 = 18,732 : x
  2. Step 2: Convert to fraction form
    8,853/18,732 = 18,732/x
  3. Step 3: Cross multiply
    8,853x = 18,732 × 18,732
  4. Step 4: Simplify right side
    8,853x = 350,887,824
  5. Step 5: Solve for x
    x = 350,887,824/8,853
  6. Step 6: Final answer
    x = 39,634.91

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.