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Finding the Third Proportional to 97.45 and 222.75

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Solution

The third proportional to 97.45 and 222.75 is: 509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.45 : 222.75 = 222.75 : x
  2. Step 2: Convert to fraction form
    97.45/222.75 = 222.75/x
  3. Step 3: Cross multiply
    97.45x = 222.75 × 222.75
  4. Step 4: Simplify right side
    97.45x = 49,617.56
  5. Step 5: Solve for x
    x = 49,617.56/97.45
  6. Step 6: Final answer
    x = 509.14

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.