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Finding the Third Proportional to 201.63 and 302.19

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Solution

The third proportional to 201.63 and 302.19 is: 452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.63 : 302.19 = 302.19 : x
  2. Step 2: Convert to fraction form
    201.63/302.19 = 302.19/x
  3. Step 3: Cross multiply
    201.63x = 302.19 × 302.19
  4. Step 4: Simplify right side
    201.63x = 91,317.29
  5. Step 5: Solve for x
    x = 91,317.29/201.63
  6. Step 6: Final answer
    x = 452.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.