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Finding the Third Proportional to 676.25 and 1,060.75

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Solution

The third proportional to 676.25 and 1,060.75 is: 1,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.25 : 1,060.75 = 1,060.75 : x
  2. Step 2: Convert to fraction form
    676.25/1,060.75 = 1,060.75/x
  3. Step 3: Cross multiply
    676.25x = 1,060.75 × 1,060.75
  4. Step 4: Simplify right side
    676.25x = 1,125,190.56
  5. Step 5: Solve for x
    x = 1,125,190.56/676.25
  6. Step 6: Final answer
    x = 1,663.87

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.