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Finding the Third Proportional to 136,212 and 225,108

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Solution

The third proportional to 136,212 and 225,108 is: 372,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,212 : 225,108 = 225,108 : x
  2. Step 2: Convert to fraction form
    136,212/225,108 = 225,108/x
  3. Step 3: Cross multiply
    136,212x = 225,108 × 225,108
  4. Step 4: Simplify right side
    136,212x = 50,673,611,664
  5. Step 5: Solve for x
    x = 50,673,611,664/136,212
  6. Step 6: Final answer
    x = 372,020.17

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.