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Finding the Third Proportional to 350.06 and 414.56

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Solution

The third proportional to 350.06 and 414.56 is: 490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.06 : 414.56 = 414.56 : x
  2. Step 2: Convert to fraction form
    350.06/414.56 = 414.56/x
  3. Step 3: Cross multiply
    350.06x = 414.56 × 414.56
  4. Step 4: Simplify right side
    350.06x = 171,862.07
  5. Step 5: Solve for x
    x = 171,862.07/350.06
  6. Step 6: Final answer
    x = 490.95

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.