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Finding the Third Proportional to 3,408.75 and 7,424.25

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Solution

The third proportional to 3,408.75 and 7,424.25 is: 16,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.75 : 7,424.25 = 7,424.25 : x
  2. Step 2: Convert to fraction form
    3,408.75/7,424.25 = 7,424.25/x
  3. Step 3: Cross multiply
    3,408.75x = 7,424.25 × 7,424.25
  4. Step 4: Simplify right side
    3,408.75x = 55,119,488.06
  5. Step 5: Solve for x
    x = 55,119,488.06/3,408.75
  6. Step 6: Final answer
    x = 16,170.00

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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.