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Finding the Third Proportional to 2,054 and 3,191

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Solution

The third proportional to 2,054 and 3,191 is: 4,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054 : 3,191 = 3,191 : x
  2. Step 2: Convert to fraction form
    2,054/3,191 = 3,191/x
  3. Step 3: Cross multiply
    2,054x = 3,191 × 3,191
  4. Step 4: Simplify right side
    2,054x = 10,182,481
  5. Step 5: Solve for x
    x = 10,182,481/2,054
  6. Step 6: Final answer
    x = 4,957.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.