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Finding the Third Proportional to 141 and 251.63

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Solution

The third proportional to 141 and 251.63 is: 449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141 : 251.63 = 251.63 : x
  2. Step 2: Convert to fraction form
    141/251.63 = 251.63/x
  3. Step 3: Cross multiply
    141x = 251.63 × 251.63
  4. Step 4: Simplify right side
    141x = 63,315.14
  5. Step 5: Solve for x
    x = 63,315.14/141
  6. Step 6: Final answer
    x = 449.04

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.