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Finding the Third Proportional to 79,586.30 and 171,571.29

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Solution

The third proportional to 79,586.30 and 171,571.29 is: 369,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,586.30 : 171,571.29 = 171,571.29 : x
  2. Step 2: Convert to fraction form
    79,586.30/171,571.29 = 171,571.29/x
  3. Step 3: Cross multiply
    79,586.30x = 171,571.29 × 171,571.29
  4. Step 4: Simplify right side
    79,586.30x = 29,436,707,230.57
  5. Step 5: Solve for x
    x = 29,436,707,230.57/79,586.30
  6. Step 6: Final answer
    x = 369,871.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.