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Finding the Third Proportional to 70,812 and 108,675

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Solution

The third proportional to 70,812 and 108,675 is: 166,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,812 : 108,675 = 108,675 : x
  2. Step 2: Convert to fraction form
    70,812/108,675 = 108,675/x
  3. Step 3: Cross multiply
    70,812x = 108,675 × 108,675
  4. Step 4: Simplify right side
    70,812x = 11,810,255,625
  5. Step 5: Solve for x
    x = 11,810,255,625/70,812
  6. Step 6: Final answer
    x = 166,783.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.