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Finding the Third Proportional to 200,805 and 436,599

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Solution

The third proportional to 200,805 and 436,599 is: 949,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,805 : 436,599 = 436,599 : x
  2. Step 2: Convert to fraction form
    200,805/436,599 = 436,599/x
  3. Step 3: Cross multiply
    200,805x = 436,599 × 436,599
  4. Step 4: Simplify right side
    200,805x = 190,618,686,801
  5. Step 5: Solve for x
    x = 190,618,686,801/200,805
  6. Step 6: Final answer
    x = 949,272.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.