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Finding the Third Proportional to 207 and 235.25

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Solution

The third proportional to 207 and 235.25 is: 267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207 : 235.25 = 235.25 : x
  2. Step 2: Convert to fraction form
    207/235.25 = 235.25/x
  3. Step 3: Cross multiply
    207x = 235.25 × 235.25
  4. Step 4: Simplify right side
    207x = 55,342.56
  5. Step 5: Solve for x
    x = 55,342.56/207
  6. Step 6: Final answer
    x = 267.36

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.