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Finding the Third Proportional to 207,920 and 452,284

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Solution

The third proportional to 207,920 and 452,284 is: 983,843.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,920 : 452,284 = 452,284 : x
  2. Step 2: Convert to fraction form
    207,920/452,284 = 452,284/x
  3. Step 3: Cross multiply
    207,920x = 452,284 × 452,284
  4. Step 4: Simplify right side
    207,920x = 204,560,816,656
  5. Step 5: Solve for x
    x = 204,560,816,656/207,920
  6. Step 6: Final answer
    x = 983,843.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.