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Finding the Third Proportional to 57,399 and 126,158

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Solution

The third proportional to 57,399 and 126,158 is: 277,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,399 : 126,158 = 126,158 : x
  2. Step 2: Convert to fraction form
    57,399/126,158 = 126,158/x
  3. Step 3: Cross multiply
    57,399x = 126,158 × 126,158
  4. Step 4: Simplify right side
    57,399x = 15,915,840,964
  5. Step 5: Solve for x
    x = 15,915,840,964/57,399
  6. Step 6: Final answer
    x = 277,284.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.