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Finding the Third Proportional to 6,543 and 10,407

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Solution

The third proportional to 6,543 and 10,407 is: 16,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543 : 10,407 = 10,407 : x
  2. Step 2: Convert to fraction form
    6,543/10,407 = 10,407/x
  3. Step 3: Cross multiply
    6,543x = 10,407 × 10,407
  4. Step 4: Simplify right side
    6,543x = 108,305,649
  5. Step 5: Solve for x
    x = 108,305,649/6,543
  6. Step 6: Final answer
    x = 16,552.90

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.