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Finding the Third Proportional to 268,886 and 585,186

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Solution

The third proportional to 268,886 and 585,186 is: 1,273,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,886 : 585,186 = 585,186 : x
  2. Step 2: Convert to fraction form
    268,886/585,186 = 585,186/x
  3. Step 3: Cross multiply
    268,886x = 585,186 × 585,186
  4. Step 4: Simplify right side
    268,886x = 342,442,654,596
  5. Step 5: Solve for x
    x = 342,442,654,596/268,886
  6. Step 6: Final answer
    x = 1,273,560.75

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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.