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Finding the Third Proportional to 383.98 and 576.35

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Solution

The third proportional to 383.98 and 576.35 is: 865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.98 : 576.35 = 576.35 : x
  2. Step 2: Convert to fraction form
    383.98/576.35 = 576.35/x
  3. Step 3: Cross multiply
    383.98x = 576.35 × 576.35
  4. Step 4: Simplify right side
    383.98x = 332,181.12
  5. Step 5: Solve for x
    x = 332,181.12/383.98
  6. Step 6: Final answer
    x = 865.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.