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Finding the Third Proportional to 302.88 and 446.44

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Solution

The third proportional to 302.88 and 446.44 is: 658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.88 : 446.44 = 446.44 : x
  2. Step 2: Convert to fraction form
    302.88/446.44 = 446.44/x
  3. Step 3: Cross multiply
    302.88x = 446.44 × 446.44
  4. Step 4: Simplify right side
    302.88x = 199,306.44
  5. Step 5: Solve for x
    x = 199,306.44/302.88
  6. Step 6: Final answer
    x = 658.05

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.