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Finding the Third Proportional to 296 and 666

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Solution

The third proportional to 296 and 666 is: 1,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    296 : 666 = 666 : x
  2. Step 2: Convert to fraction form
    296/666 = 666/x
  3. Step 3: Cross multiply
    296x = 666 × 666
  4. Step 4: Simplify right side
    296x = 443,556
  5. Step 5: Solve for x
    x = 443,556/296
  6. Step 6: Final answer
    x = 1,498.50

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.