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Finding the Third Proportional to 3,453 and 5,167.50

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Solution

The third proportional to 3,453 and 5,167.50 is: 7,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453 : 5,167.50 = 5,167.50 : x
  2. Step 2: Convert to fraction form
    3,453/5,167.50 = 5,167.50/x
  3. Step 3: Cross multiply
    3,453x = 5,167.50 × 5,167.50
  4. Step 4: Simplify right side
    3,453x = 26,703,056.25
  5. Step 5: Solve for x
    x = 26,703,056.25/3,453
  6. Step 6: Final answer
    x = 7,733.29

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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.