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Finding the Third Proportional to 79,745 and 170,934

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Solution

The third proportional to 79,745 and 170,934 is: 366,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,745 : 170,934 = 170,934 : x
  2. Step 2: Convert to fraction form
    79,745/170,934 = 170,934/x
  3. Step 3: Cross multiply
    79,745x = 170,934 × 170,934
  4. Step 4: Simplify right side
    79,745x = 29,218,432,356
  5. Step 5: Solve for x
    x = 29,218,432,356/79,745
  6. Step 6: Final answer
    x = 366,398.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.