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Finding the Third Proportional to 83,571 and 183,678

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Solution

The third proportional to 83,571 and 183,678 is: 403,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,571 : 183,678 = 183,678 : x
  2. Step 2: Convert to fraction form
    83,571/183,678 = 183,678/x
  3. Step 3: Cross multiply
    83,571x = 183,678 × 183,678
  4. Step 4: Simplify right side
    83,571x = 33,737,607,684
  5. Step 5: Solve for x
    x = 33,737,607,684/83,571
  6. Step 6: Final answer
    x = 403,699.94

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.