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Finding the Third Proportional to 1,452.50 and 3,175

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Solution

The third proportional to 1,452.50 and 3,175 is: 6,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.50 : 3,175 = 3,175 : x
  2. Step 2: Convert to fraction form
    1,452.50/3,175 = 3,175/x
  3. Step 3: Cross multiply
    1,452.50x = 3,175 × 3,175
  4. Step 4: Simplify right side
    1,452.50x = 10,080,625
  5. Step 5: Solve for x
    x = 10,080,625/1,452.50
  6. Step 6: Final answer
    x = 6,940.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.