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Finding the Third Proportional to 57,520 and 125,168

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Solution

The third proportional to 57,520 and 125,168 is: 272,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,520 : 125,168 = 125,168 : x
  2. Step 2: Convert to fraction form
    57,520/125,168 = 125,168/x
  3. Step 3: Cross multiply
    57,520x = 125,168 × 125,168
  4. Step 4: Simplify right side
    57,520x = 15,667,028,224
  5. Step 5: Solve for x
    x = 15,667,028,224/57,520
  6. Step 6: Final answer
    x = 272,375.32

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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.