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Finding the Third Proportional to 668.75 and 1,050.44

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Solution

The third proportional to 668.75 and 1,050.44 is: 1,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    668.75 : 1,050.44 = 1,050.44 : x
  2. Step 2: Convert to fraction form
    668.75/1,050.44 = 1,050.44/x
  3. Step 3: Cross multiply
    668.75x = 1,050.44 × 1,050.44
  4. Step 4: Simplify right side
    668.75x = 1,103,418.94
  5. Step 5: Solve for x
    x = 1,103,418.94/668.75
  6. Step 6: Final answer
    x = 1,649.97

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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.