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Finding the Third Proportional to 324.75 and 377.06

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Solution

The third proportional to 324.75 and 377.06 is: 437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.75 : 377.06 = 377.06 : x
  2. Step 2: Convert to fraction form
    324.75/377.06 = 377.06/x
  3. Step 3: Cross multiply
    324.75x = 377.06 × 377.06
  4. Step 4: Simplify right side
    324.75x = 142,176.13
  5. Step 5: Solve for x
    x = 142,176.13/324.75
  6. Step 6: Final answer
    x = 437.80

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These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.