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Finding the Third Proportional to 6,543 and 8,500

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Solution

The third proportional to 6,543 and 8,500 is: 11,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543 : 8,500 = 8,500 : x
  2. Step 2: Convert to fraction form
    6,543/8,500 = 8,500/x
  3. Step 3: Cross multiply
    6,543x = 8,500 × 8,500
  4. Step 4: Simplify right side
    6,543x = 72,250,000
  5. Step 5: Solve for x
    x = 72,250,000/6,543
  6. Step 6: Final answer
    x = 11,042.34

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.