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Finding the Third Proportional to 588 and 862.88

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Solution

The third proportional to 588 and 862.88 is: 1,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    588 : 862.88 = 862.88 : x
  2. Step 2: Convert to fraction form
    588/862.88 = 862.88/x
  3. Step 3: Cross multiply
    588x = 862.88 × 862.88
  4. Step 4: Simplify right side
    588x = 744,553.27
  5. Step 5: Solve for x
    x = 744,553.27/588
  6. Step 6: Final answer
    x = 1,266.25

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.