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Finding the Third Proportional to 111,296 and 170,625

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Solution

The third proportional to 111,296 and 170,625 is: 261,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,296 : 170,625 = 170,625 : x
  2. Step 2: Convert to fraction form
    111,296/170,625 = 170,625/x
  3. Step 3: Cross multiply
    111,296x = 170,625 × 170,625
  4. Step 4: Simplify right side
    111,296x = 29,112,890,625
  5. Step 5: Solve for x
    x = 29,112,890,625/111,296
  6. Step 6: Final answer
    x = 261,580.75

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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.