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Finding the Third Proportional to 6,543 and 12,759.75

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Solution

The third proportional to 6,543 and 12,759.75 is: 24,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543 : 12,759.75 = 12,759.75 : x
  2. Step 2: Convert to fraction form
    6,543/12,759.75 = 12,759.75/x
  3. Step 3: Cross multiply
    6,543x = 12,759.75 × 12,759.75
  4. Step 4: Simplify right side
    6,543x = 162,811,220.06
  5. Step 5: Solve for x
    x = 162,811,220.06/6,543
  6. Step 6: Final answer
    x = 24,883.27

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.