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Finding the Third Proportional to 207.56 and 453.73

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Solution

The third proportional to 207.56 and 453.73 is: 991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.56 : 453.73 = 453.73 : x
  2. Step 2: Convert to fraction form
    207.56/453.73 = 453.73/x
  3. Step 3: Cross multiply
    207.56x = 453.73 × 453.73
  4. Step 4: Simplify right side
    207.56x = 205,867.79
  5. Step 5: Solve for x
    x = 205,867.79/207.56
  6. Step 6: Final answer
    x = 991.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.