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Finding the Third Proportional to 3,453 and 5,171.50

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Solution

The third proportional to 3,453 and 5,171.50 is: 7,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453 : 5,171.50 = 5,171.50 : x
  2. Step 2: Convert to fraction form
    3,453/5,171.50 = 5,171.50/x
  3. Step 3: Cross multiply
    3,453x = 5,171.50 × 5,171.50
  4. Step 4: Simplify right side
    3,453x = 26,744,412.25
  5. Step 5: Solve for x
    x = 26,744,412.25/3,453
  6. Step 6: Final answer
    x = 7,745.27

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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.