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Finding the Third Proportional to 57,812 and 126,208

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Solution

The third proportional to 57,812 and 126,208 is: 275,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812 : 126,208 = 126,208 : x
  2. Step 2: Convert to fraction form
    57,812/126,208 = 126,208/x
  3. Step 3: Cross multiply
    57,812x = 126,208 × 126,208
  4. Step 4: Simplify right side
    57,812x = 15,928,459,264
  5. Step 5: Solve for x
    x = 15,928,459,264/57,812
  6. Step 6: Final answer
    x = 275,521.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.