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Finding the Third Proportional to 136,092 and 211,242

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Solution

The third proportional to 136,092 and 211,242 is: 327,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,092 : 211,242 = 211,242 : x
  2. Step 2: Convert to fraction form
    136,092/211,242 = 211,242/x
  3. Step 3: Cross multiply
    136,092x = 211,242 × 211,242
  4. Step 4: Simplify right side
    136,092x = 44,623,182,564
  5. Step 5: Solve for x
    x = 44,623,182,564/136,092
  6. Step 6: Final answer
    x = 327,889.83

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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.