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Finding the Third Proportional to 301.22 and 469.55

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Solution

The third proportional to 301.22 and 469.55 is: 731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.22 : 469.55 = 469.55 : x
  2. Step 2: Convert to fraction form
    301.22/469.55 = 469.55/x
  3. Step 3: Cross multiply
    301.22x = 469.55 × 469.55
  4. Step 4: Simplify right side
    301.22x = 220,474.27
  5. Step 5: Solve for x
    x = 220,474.27/301.22
  6. Step 6: Final answer
    x = 731.94

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.