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Finding the Third Proportional to 511.31 and 1,049.34

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Solution

The third proportional to 511.31 and 1,049.34 is: 2,153.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.31 : 1,049.34 = 1,049.34 : x
  2. Step 2: Convert to fraction form
    511.31/1,049.34 = 1,049.34/x
  3. Step 3: Cross multiply
    511.31x = 1,049.34 × 1,049.34
  4. Step 4: Simplify right side
    511.31x = 1,101,122.31
  5. Step 5: Solve for x
    x = 1,101,122.31/511.31
  6. Step 6: Final answer
    x = 2,153.52

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.