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Finding the Third Proportional to 902.50 and 1,481.75

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Solution

The third proportional to 902.50 and 1,481.75 is: 2,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.50 : 1,481.75 = 1,481.75 : x
  2. Step 2: Convert to fraction form
    902.50/1,481.75 = 1,481.75/x
  3. Step 3: Cross multiply
    902.50x = 1,481.75 × 1,481.75
  4. Step 4: Simplify right side
    902.50x = 2,195,583.06
  5. Step 5: Solve for x
    x = 2,195,583.06/902.50
  6. Step 6: Final answer
    x = 2,432.78

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.