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Finding the Third Proportional to 588 and 681

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Solution

The third proportional to 588 and 681 is: 788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    588 : 681 = 681 : x
  2. Step 2: Convert to fraction form
    588/681 = 681/x
  3. Step 3: Cross multiply
    588x = 681 × 681
  4. Step 4: Simplify right side
    588x = 463,761
  5. Step 5: Solve for x
    x = 463,761/588
  6. Step 6: Final answer
    x = 788.71

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.