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Finding the Third Proportional to 225.63 and 301.88

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Solution

The third proportional to 225.63 and 301.88 is: 403.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.63 : 301.88 = 301.88 : x
  2. Step 2: Convert to fraction form
    225.63/301.88 = 301.88/x
  3. Step 3: Cross multiply
    225.63x = 301.88 × 301.88
  4. Step 4: Simplify right side
    225.63x = 91,128.52
  5. Step 5: Solve for x
    x = 91,128.52/225.63
  6. Step 6: Final answer
    x = 403.89

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.