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Finding the Third Proportional to 86,296 and 188,624

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Solution

The third proportional to 86,296 and 188,624 is: 412,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,296 : 188,624 = 188,624 : x
  2. Step 2: Convert to fraction form
    86,296/188,624 = 188,624/x
  3. Step 3: Cross multiply
    86,296x = 188,624 × 188,624
  4. Step 4: Simplify right side
    86,296x = 35,579,013,376
  5. Step 5: Solve for x
    x = 35,579,013,376/86,296
  6. Step 6: Final answer
    x = 412,290.41

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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.