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Finding the Third Proportional to 4,031 and 8,383

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Solution

The third proportional to 4,031 and 8,383 is: 17,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031 : 8,383 = 8,383 : x
  2. Step 2: Convert to fraction form
    4,031/8,383 = 8,383/x
  3. Step 3: Cross multiply
    4,031x = 8,383 × 8,383
  4. Step 4: Simplify right side
    4,031x = 70,274,689
  5. Step 5: Solve for x
    x = 70,274,689/4,031
  6. Step 6: Final answer
    x = 17,433.56

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.