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Finding the Third Proportional to 242 and 477.25

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Solution

The third proportional to 242 and 477.25 is: 941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242 : 477.25 = 477.25 : x
  2. Step 2: Convert to fraction form
    242/477.25 = 477.25/x
  3. Step 3: Cross multiply
    242x = 477.25 × 477.25
  4. Step 4: Simplify right side
    242x = 227,767.56
  5. Step 5: Solve for x
    x = 227,767.56/242
  6. Step 6: Final answer
    x = 941.19

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.