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Finding the Third Proportional to 36,611 and 54,772

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Solution

The third proportional to 36,611 and 54,772 is: 81,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,611 : 54,772 = 54,772 : x
  2. Step 2: Convert to fraction form
    36,611/54,772 = 54,772/x
  3. Step 3: Cross multiply
    36,611x = 54,772 × 54,772
  4. Step 4: Simplify right side
    36,611x = 2,999,971,984
  5. Step 5: Solve for x
    x = 2,999,971,984/36,611
  6. Step 6: Final answer
    x = 81,941.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.