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Finding the Third Proportional to 449.37 and 603.84

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Solution

The third proportional to 449.37 and 603.84 is: 811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.37 : 603.84 = 603.84 : x
  2. Step 2: Convert to fraction form
    449.37/603.84 = 603.84/x
  3. Step 3: Cross multiply
    449.37x = 603.84 × 603.84
  4. Step 4: Simplify right side
    449.37x = 364,627.27
  5. Step 5: Solve for x
    x = 364,627.27/449.37
  6. Step 6: Final answer
    x = 811.42

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.