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Finding the Third Proportional to 1,447 and 3,150

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Solution

The third proportional to 1,447 and 3,150 is: 6,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447 : 3,150 = 3,150 : x
  2. Step 2: Convert to fraction form
    1,447/3,150 = 3,150/x
  3. Step 3: Cross multiply
    1,447x = 3,150 × 3,150
  4. Step 4: Simplify right side
    1,447x = 9,922,500
  5. Step 5: Solve for x
    x = 9,922,500/1,447
  6. Step 6: Final answer
    x = 6,857.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.