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Finding the Third Proportional to 88,200 and 136,936

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Solution

The third proportional to 88,200 and 136,936 is: 212,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,200 : 136,936 = 136,936 : x
  2. Step 2: Convert to fraction form
    88,200/136,936 = 136,936/x
  3. Step 3: Cross multiply
    88,200x = 136,936 × 136,936
  4. Step 4: Simplify right side
    88,200x = 18,751,468,096
  5. Step 5: Solve for x
    x = 18,751,468,096/88,200
  6. Step 6: Final answer
    x = 212,601.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.