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Finding the Third Proportional to 57,156 and 124,104

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Solution

The third proportional to 57,156 and 124,104 is: 269,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,156 : 124,104 = 124,104 : x
  2. Step 2: Convert to fraction form
    57,156/124,104 = 124,104/x
  3. Step 3: Cross multiply
    57,156x = 124,104 × 124,104
  4. Step 4: Simplify right side
    57,156x = 15,401,802,816
  5. Step 5: Solve for x
    x = 15,401,802,816/57,156
  6. Step 6: Final answer
    x = 269,469.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.