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Finding the Third Proportional to 818.25 and 1,774

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Solution

The third proportional to 818.25 and 1,774 is: 3,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    818.25 : 1,774 = 1,774 : x
  2. Step 2: Convert to fraction form
    818.25/1,774 = 1,774/x
  3. Step 3: Cross multiply
    818.25x = 1,774 × 1,774
  4. Step 4: Simplify right side
    818.25x = 3,147,076
  5. Step 5: Solve for x
    x = 3,147,076/818.25
  6. Step 6: Final answer
    x = 3,846.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.