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Finding the Third Proportional to 791.02 and 1,717.45

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Solution

The third proportional to 791.02 and 1,717.45 is: 3,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    791.02 : 1,717.45 = 1,717.45 : x
  2. Step 2: Convert to fraction form
    791.02/1,717.45 = 1,717.45/x
  3. Step 3: Cross multiply
    791.02x = 1,717.45 × 1,717.45
  4. Step 4: Simplify right side
    791.02x = 2,949,645.24
  5. Step 5: Solve for x
    x = 2,949,645.24/791.02
  6. Step 6: Final answer
    x = 3,728.93

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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.