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Finding the Third Proportional to 57,586.50 and 125,811

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Solution

The third proportional to 57,586.50 and 125,811 is: 274,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,586.50 : 125,811 = 125,811 : x
  2. Step 2: Convert to fraction form
    57,586.50/125,811 = 125,811/x
  3. Step 3: Cross multiply
    57,586.50x = 125,811 × 125,811
  4. Step 4: Simplify right side
    57,586.50x = 15,828,407,721
  5. Step 5: Solve for x
    x = 15,828,407,721/57,586.50
  6. Step 6: Final answer
    x = 274,863.17

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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.