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Finding the Third Proportional to 588.75 and 648.75

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Solution

The third proportional to 588.75 and 648.75 is: 714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.75 : 648.75 = 648.75 : x
  2. Step 2: Convert to fraction form
    588.75/648.75 = 648.75/x
  3. Step 3: Cross multiply
    588.75x = 648.75 × 648.75
  4. Step 4: Simplify right side
    588.75x = 420,876.56
  5. Step 5: Solve for x
    x = 420,876.56/588.75
  6. Step 6: Final answer
    x = 714.86

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These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.