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Finding the Third Proportional to 36,126 and 49,221

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Solution

The third proportional to 36,126 and 49,221 is: 67,062.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,126 : 49,221 = 49,221 : x
  2. Step 2: Convert to fraction form
    36,126/49,221 = 49,221/x
  3. Step 3: Cross multiply
    36,126x = 49,221 × 49,221
  4. Step 4: Simplify right side
    36,126x = 2,422,706,841
  5. Step 5: Solve for x
    x = 2,422,706,841/36,126
  6. Step 6: Final answer
    x = 67,062.69

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.