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Finding the Third Proportional to 101.63 and 231.56

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Solution

The third proportional to 101.63 and 231.56 is: 527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.63 : 231.56 = 231.56 : x
  2. Step 2: Convert to fraction form
    101.63/231.56 = 231.56/x
  3. Step 3: Cross multiply
    101.63x = 231.56 × 231.56
  4. Step 4: Simplify right side
    101.63x = 53,621.19
  5. Step 5: Solve for x
    x = 53,621.19/101.63
  6. Step 6: Final answer
    x = 527.64

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.