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Finding the Third Proportional to 3,111 and 4,452

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Solution

The third proportional to 3,111 and 4,452 is: 6,371.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111 : 4,452 = 4,452 : x
  2. Step 2: Convert to fraction form
    3,111/4,452 = 4,452/x
  3. Step 3: Cross multiply
    3,111x = 4,452 × 4,452
  4. Step 4: Simplify right side
    3,111x = 19,820,304
  5. Step 5: Solve for x
    x = 19,820,304/3,111
  6. Step 6: Final answer
    x = 6,371.04

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.