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Finding the Third Proportional to 792.25 and 1,722.63

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Solution

The third proportional to 792.25 and 1,722.63 is: 3,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.25 : 1,722.63 = 1,722.63 : x
  2. Step 2: Convert to fraction form
    792.25/1,722.63 = 1,722.63/x
  3. Step 3: Cross multiply
    792.25x = 1,722.63 × 1,722.63
  4. Step 4: Simplify right side
    792.25x = 2,967,436.89
  5. Step 5: Solve for x
    x = 2,967,436.89/792.25
  6. Step 6: Final answer
    x = 3,745.58

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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.