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Finding the Third Proportional to 57,512 and 125,685

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Solution

The third proportional to 57,512 and 125,685 is: 274,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,512 : 125,685 = 125,685 : x
  2. Step 2: Convert to fraction form
    57,512/125,685 = 125,685/x
  3. Step 3: Cross multiply
    57,512x = 125,685 × 125,685
  4. Step 4: Simplify right side
    57,512x = 15,796,719,225
  5. Step 5: Solve for x
    x = 15,796,719,225/57,512
  6. Step 6: Final answer
    x = 274,668.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.