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Finding the Third Proportional to 157.75 and 241.63

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Solution

The third proportional to 157.75 and 241.63 is: 370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.75 : 241.63 = 241.63 : x
  2. Step 2: Convert to fraction form
    157.75/241.63 = 241.63/x
  3. Step 3: Cross multiply
    157.75x = 241.63 × 241.63
  4. Step 4: Simplify right side
    157.75x = 58,382.64
  5. Step 5: Solve for x
    x = 58,382.64/157.75
  6. Step 6: Final answer
    x = 370.10

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.