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Finding the Third Proportional to 84,608 and 182,208

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Solution

The third proportional to 84,608 and 182,208 is: 392,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,608 : 182,208 = 182,208 : x
  2. Step 2: Convert to fraction form
    84,608/182,208 = 182,208/x
  3. Step 3: Cross multiply
    84,608x = 182,208 × 182,208
  4. Step 4: Simplify right side
    84,608x = 33,199,755,264
  5. Step 5: Solve for x
    x = 33,199,755,264/84,608
  6. Step 6: Final answer
    x = 392,394.99

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.