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Finding the Third Proportional to 260 and 562

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Solution

The third proportional to 260 and 562 is: 1,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    260 : 562 = 562 : x
  2. Step 2: Convert to fraction form
    260/562 = 562/x
  3. Step 3: Cross multiply
    260x = 562 × 562
  4. Step 4: Simplify right side
    260x = 315,844
  5. Step 5: Solve for x
    x = 315,844/260
  6. Step 6: Final answer
    x = 1,214.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.