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Finding the Third Proportional to 79,569 and 171,591

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Solution

The third proportional to 79,569 and 171,591 is: 370,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,569 : 171,591 = 171,591 : x
  2. Step 2: Convert to fraction form
    79,569/171,591 = 171,591/x
  3. Step 3: Cross multiply
    79,569x = 171,591 × 171,591
  4. Step 4: Simplify right side
    79,569x = 29,443,471,281
  5. Step 5: Solve for x
    x = 29,443,471,281/79,569
  6. Step 6: Final answer
    x = 370,036.97

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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.