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Finding the Third Proportional to 34,611.50 and 75,775

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Solution

The third proportional to 34,611.50 and 75,775 is: 165,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,611.50 : 75,775 = 75,775 : x
  2. Step 2: Convert to fraction form
    34,611.50/75,775 = 75,775/x
  3. Step 3: Cross multiply
    34,611.50x = 75,775 × 75,775
  4. Step 4: Simplify right side
    34,611.50x = 5,741,850,625
  5. Step 5: Solve for x
    x = 5,741,850,625/34,611.50
  6. Step 6: Final answer
    x = 165,894.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.