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Finding the Third Proportional to 103,659 and 204,880

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Solution

The third proportional to 103,659 and 204,880 is: 404,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,659 : 204,880 = 204,880 : x
  2. Step 2: Convert to fraction form
    103,659/204,880 = 204,880/x
  3. Step 3: Cross multiply
    103,659x = 204,880 × 204,880
  4. Step 4: Simplify right side
    103,659x = 41,975,814,400
  5. Step 5: Solve for x
    x = 41,975,814,400/103,659
  6. Step 6: Final answer
    x = 404,941.34

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.