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Finding the Third Proportional to 339 and 892.50

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Solution

The third proportional to 339 and 892.50 is: 2,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339 : 892.50 = 892.50 : x
  2. Step 2: Convert to fraction form
    339/892.50 = 892.50/x
  3. Step 3: Cross multiply
    339x = 892.50 × 892.50
  4. Step 4: Simplify right side
    339x = 796,556.25
  5. Step 5: Solve for x
    x = 796,556.25/339
  6. Step 6: Final answer
    x = 2,349.72

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Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.