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Finding the Third Proportional to 1,553 and 3,266

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Solution

The third proportional to 1,553 and 3,266 is: 6,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553 : 3,266 = 3,266 : x
  2. Step 2: Convert to fraction form
    1,553/3,266 = 3,266/x
  3. Step 3: Cross multiply
    1,553x = 3,266 × 3,266
  4. Step 4: Simplify right side
    1,553x = 10,666,756
  5. Step 5: Solve for x
    x = 10,666,756/1,553
  6. Step 6: Final answer
    x = 6,868.48

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.