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Finding the Third Proportional to 305.23 and 668.67

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Solution

The third proportional to 305.23 and 668.67 is: 1,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    305.23 : 668.67 = 668.67 : x
  2. Step 2: Convert to fraction form
    305.23/668.67 = 668.67/x
  3. Step 3: Cross multiply
    305.23x = 668.67 × 668.67
  4. Step 4: Simplify right side
    305.23x = 447,122.08
  5. Step 5: Solve for x
    x = 447,122.08/305.23
  6. Step 6: Final answer
    x = 1,464.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.