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Finding the Third Proportional to 207 and 335.50

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Solution

The third proportional to 207 and 335.50 is: 543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207 : 335.50 = 335.50 : x
  2. Step 2: Convert to fraction form
    207/335.50 = 335.50/x
  3. Step 3: Cross multiply
    207x = 335.50 × 335.50
  4. Step 4: Simplify right side
    207x = 112,560.25
  5. Step 5: Solve for x
    x = 112,560.25/207
  6. Step 6: Final answer
    x = 543.77

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.