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Finding the Third Proportional to 665.44 and 1,444.22

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Solution

The third proportional to 665.44 and 1,444.22 is: 3,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    665.44 : 1,444.22 = 1,444.22 : x
  2. Step 2: Convert to fraction form
    665.44/1,444.22 = 1,444.22/x
  3. Step 3: Cross multiply
    665.44x = 1,444.22 × 1,444.22
  4. Step 4: Simplify right side
    665.44x = 2,085,767.80
  5. Step 5: Solve for x
    x = 2,085,767.80/665.44
  6. Step 6: Final answer
    x = 3,134.43

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.