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Finding the Third Proportional to 114.75 and 207.56

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Solution

The third proportional to 114.75 and 207.56 is: 375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.75 : 207.56 = 207.56 : x
  2. Step 2: Convert to fraction form
    114.75/207.56 = 207.56/x
  3. Step 3: Cross multiply
    114.75x = 207.56 × 207.56
  4. Step 4: Simplify right side
    114.75x = 43,082.19
  5. Step 5: Solve for x
    x = 43,082.19/114.75
  6. Step 6: Final answer
    x = 375.44

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.