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Finding the Third Proportional to 268,888 and 585,190

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Solution

The third proportional to 268,888 and 585,190 is: 1,273,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,888 : 585,190 = 585,190 : x
  2. Step 2: Convert to fraction form
    268,888/585,190 = 585,190/x
  3. Step 3: Cross multiply
    268,888x = 585,190 × 585,190
  4. Step 4: Simplify right side
    268,888x = 342,447,336,100
  5. Step 5: Solve for x
    x = 342,447,336,100/268,888
  6. Step 6: Final answer
    x = 1,273,568.68

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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.