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Finding the Third Proportional to 441.75 and 634.75

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Solution

The third proportional to 441.75 and 634.75 is: 912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.75 : 634.75 = 634.75 : x
  2. Step 2: Convert to fraction form
    441.75/634.75 = 634.75/x
  3. Step 3: Cross multiply
    441.75x = 634.75 × 634.75
  4. Step 4: Simplify right side
    441.75x = 402,907.56
  5. Step 5: Solve for x
    x = 402,907.56/441.75
  6. Step 6: Final answer
    x = 912.07

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.