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Finding the Third Proportional to 369.94 and 859.97

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Solution

The third proportional to 369.94 and 859.97 is: 1,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.94 : 859.97 = 859.97 : x
  2. Step 2: Convert to fraction form
    369.94/859.97 = 859.97/x
  3. Step 3: Cross multiply
    369.94x = 859.97 × 859.97
  4. Step 4: Simplify right side
    369.94x = 739,546.25
  5. Step 5: Solve for x
    x = 739,546.25/369.94
  6. Step 6: Final answer
    x = 1,999.11

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.