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Finding the Third Proportional to 441.84 and 635.06

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Solution

The third proportional to 441.84 and 635.06 is: 912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.84 : 635.06 = 635.06 : x
  2. Step 2: Convert to fraction form
    441.84/635.06 = 635.06/x
  3. Step 3: Cross multiply
    441.84x = 635.06 × 635.06
  4. Step 4: Simplify right side
    441.84x = 403,304.38
  5. Step 5: Solve for x
    x = 403,304.38/441.84
  6. Step 6: Final answer
    x = 912.78

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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.