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Finding the Third Proportional to 36,393 and 55,561

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Solution

The third proportional to 36,393 and 55,561 is: 84,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,393 : 55,561 = 55,561 : x
  2. Step 2: Convert to fraction form
    36,393/55,561 = 55,561/x
  3. Step 3: Cross multiply
    36,393x = 55,561 × 55,561
  4. Step 4: Simplify right side
    36,393x = 3,087,024,721
  5. Step 5: Solve for x
    x = 3,087,024,721/36,393
  6. Step 6: Final answer
    x = 84,824.68

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.