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Finding the Third Proportional to 169,115.50 and 364,394

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Solution

The third proportional to 169,115.50 and 364,394 is: 785,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,115.50 : 364,394 = 364,394 : x
  2. Step 2: Convert to fraction form
    169,115.50/364,394 = 364,394/x
  3. Step 3: Cross multiply
    169,115.50x = 364,394 × 364,394
  4. Step 4: Simplify right side
    169,115.50x = 132,782,987,236
  5. Step 5: Solve for x
    x = 132,782,987,236/169,115.50
  6. Step 6: Final answer
    x = 785,161.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.