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Finding the Third Proportional to 204,999 and 450,356

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Solution

The third proportional to 204,999 and 450,356 is: 989,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,999 : 450,356 = 450,356 : x
  2. Step 2: Convert to fraction form
    204,999/450,356 = 450,356/x
  3. Step 3: Cross multiply
    204,999x = 450,356 × 450,356
  4. Step 4: Simplify right side
    204,999x = 202,820,526,736
  5. Step 5: Solve for x
    x = 202,820,526,736/204,999
  6. Step 6: Final answer
    x = 989,373.25

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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.