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Finding the Third Proportional to 83,608 and 169,376

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Solution

The third proportional to 83,608 and 169,376 is: 343,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,608 : 169,376 = 169,376 : x
  2. Step 2: Convert to fraction form
    83,608/169,376 = 169,376/x
  3. Step 3: Cross multiply
    83,608x = 169,376 × 169,376
  4. Step 4: Simplify right side
    83,608x = 28,688,229,376
  5. Step 5: Solve for x
    x = 28,688,229,376/83,608
  6. Step 6: Final answer
    x = 343,127.80

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.