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Finding the Third Proportional to 1,450 and 3,188

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Solution

The third proportional to 1,450 and 3,188 is: 7,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450 : 3,188 = 3,188 : x
  2. Step 2: Convert to fraction form
    1,450/3,188 = 3,188/x
  3. Step 3: Cross multiply
    1,450x = 3,188 × 3,188
  4. Step 4: Simplify right side
    1,450x = 10,163,344
  5. Step 5: Solve for x
    x = 10,163,344/1,450
  6. Step 6: Final answer
    x = 7,009.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.