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Finding the Third Proportional to 1,449.56 and 3,126.94

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Solution

The third proportional to 1,449.56 and 3,126.94 is: 6,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.56 : 3,126.94 = 3,126.94 : x
  2. Step 2: Convert to fraction form
    1,449.56/3,126.94 = 3,126.94/x
  3. Step 3: Cross multiply
    1,449.56x = 3,126.94 × 3,126.94
  4. Step 4: Simplify right side
    1,449.56x = 9,777,738.13
  5. Step 5: Solve for x
    x = 9,777,738.13/1,449.56
  6. Step 6: Final answer
    x = 6,745.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.