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Finding the Third Proportional to 1,252 and 2,975

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Solution

The third proportional to 1,252 and 2,975 is: 7,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252 : 2,975 = 2,975 : x
  2. Step 2: Convert to fraction form
    1,252/2,975 = 2,975/x
  3. Step 3: Cross multiply
    1,252x = 2,975 × 2,975
  4. Step 4: Simplify right side
    1,252x = 8,850,625
  5. Step 5: Solve for x
    x = 8,850,625/1,252
  6. Step 6: Final answer
    x = 7,069.19

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.