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Finding the Third Proportional to 73,910 and 162,126

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Solution

The third proportional to 73,910 and 162,126 is: 355,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,910 : 162,126 = 162,126 : x
  2. Step 2: Convert to fraction form
    73,910/162,126 = 162,126/x
  3. Step 3: Cross multiply
    73,910x = 162,126 × 162,126
  4. Step 4: Simplify right side
    73,910x = 26,284,839,876
  5. Step 5: Solve for x
    x = 26,284,839,876/73,910
  6. Step 6: Final answer
    x = 355,633.07

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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.