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Finding the Third Proportional to 996.68 and 1,571.91

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Solution

The third proportional to 996.68 and 1,571.91 is: 2,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    996.68 : 1,571.91 = 1,571.91 : x
  2. Step 2: Convert to fraction form
    996.68/1,571.91 = 1,571.91/x
  3. Step 3: Cross multiply
    996.68x = 1,571.91 × 1,571.91
  4. Step 4: Simplify right side
    996.68x = 2,470,889.26
  5. Step 5: Solve for x
    x = 2,470,889.26/996.68
  6. Step 6: Final answer
    x = 2,479.12

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.