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Finding the Third Proportional to 746.44 and 874.69

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Solution

The third proportional to 746.44 and 874.69 is: 1,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.44 : 874.69 = 874.69 : x
  2. Step 2: Convert to fraction form
    746.44/874.69 = 874.69/x
  3. Step 3: Cross multiply
    746.44x = 874.69 × 874.69
  4. Step 4: Simplify right side
    746.44x = 765,078.22
  5. Step 5: Solve for x
    x = 765,078.22/746.44
  6. Step 6: Final answer
    x = 1,024.97

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.