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Finding the Third Proportional to 6,381 and 13,583

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Solution

The third proportional to 6,381 and 13,583 is: 28,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381 : 13,583 = 13,583 : x
  2. Step 2: Convert to fraction form
    6,381/13,583 = 13,583/x
  3. Step 3: Cross multiply
    6,381x = 13,583 × 13,583
  4. Step 4: Simplify right side
    6,381x = 184,497,889
  5. Step 5: Solve for x
    x = 184,497,889/6,381
  6. Step 6: Final answer
    x = 28,913.63

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.