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Finding the Third Proportional to 4,922.44 and 7,408.13

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Solution

The third proportional to 4,922.44 and 7,408.13 is: 11,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.44 : 7,408.13 = 7,408.13 : x
  2. Step 2: Convert to fraction form
    4,922.44/7,408.13 = 7,408.13/x
  3. Step 3: Cross multiply
    4,922.44x = 7,408.13 × 7,408.13
  4. Step 4: Simplify right side
    4,922.44x = 54,880,316.02
  5. Step 5: Solve for x
    x = 54,880,316.02/4,922.44
  6. Step 6: Final answer
    x = 11,149.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.