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Finding the Third Proportional to 70,758 and 109,845

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Solution

The third proportional to 70,758 and 109,845 is: 170,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,758 : 109,845 = 109,845 : x
  2. Step 2: Convert to fraction form
    70,758/109,845 = 109,845/x
  3. Step 3: Cross multiply
    70,758x = 109,845 × 109,845
  4. Step 4: Simplify right side
    70,758x = 12,065,924,025
  5. Step 5: Solve for x
    x = 12,065,924,025/70,758
  6. Step 6: Final answer
    x = 170,523.81

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.