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Finding the Third Proportional to 185.50 and 403.63

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Solution

The third proportional to 185.50 and 403.63 is: 878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.50 : 403.63 = 403.63 : x
  2. Step 2: Convert to fraction form
    185.50/403.63 = 403.63/x
  3. Step 3: Cross multiply
    185.50x = 403.63 × 403.63
  4. Step 4: Simplify right side
    185.50x = 162,913.14
  5. Step 5: Solve for x
    x = 162,913.14/185.50
  6. Step 6: Final answer
    x = 878.24

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.