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Finding the Third Proportional to 324 and 480.94

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Solution

The third proportional to 324 and 480.94 is: 713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    324 : 480.94 = 480.94 : x
  2. Step 2: Convert to fraction form
    324/480.94 = 480.94/x
  3. Step 3: Cross multiply
    324x = 480.94 × 480.94
  4. Step 4: Simplify right side
    324x = 231,300.88
  5. Step 5: Solve for x
    x = 231,300.88/324
  6. Step 6: Final answer
    x = 713.89

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.