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Finding the Third Proportional to 171,021 and 263,092.50

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Solution

The third proportional to 171,021 and 263,092.50 is: 404,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,021 : 263,092.50 = 263,092.50 : x
  2. Step 2: Convert to fraction form
    171,021/263,092.50 = 263,092.50/x
  3. Step 3: Cross multiply
    171,021x = 263,092.50 × 263,092.50
  4. Step 4: Simplify right side
    171,021x = 69,217,663,556.25
  5. Step 5: Solve for x
    x = 69,217,663,556.25/171,021
  6. Step 6: Final answer
    x = 404,731.95

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.