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Finding the Third Proportional to 3,261 and 5,048

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Solution

The third proportional to 3,261 and 5,048 is: 7,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261 : 5,048 = 5,048 : x
  2. Step 2: Convert to fraction form
    3,261/5,048 = 5,048/x
  3. Step 3: Cross multiply
    3,261x = 5,048 × 5,048
  4. Step 4: Simplify right side
    3,261x = 25,482,304
  5. Step 5: Solve for x
    x = 25,482,304/3,261
  6. Step 6: Final answer
    x = 7,814.26

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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.