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Finding the Third Proportional to 304.59 and 676.69

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Solution

The third proportional to 304.59 and 676.69 is: 1,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.59 : 676.69 = 676.69 : x
  2. Step 2: Convert to fraction form
    304.59/676.69 = 676.69/x
  3. Step 3: Cross multiply
    304.59x = 676.69 × 676.69
  4. Step 4: Simplify right side
    304.59x = 457,905.97
  5. Step 5: Solve for x
    x = 457,905.97/304.59
  6. Step 6: Final answer
    x = 1,503.33

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.