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Finding the Third Proportional to 453.09 and 984.94

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Solution

The third proportional to 453.09 and 984.94 is: 2,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.09 : 984.94 = 984.94 : x
  2. Step 2: Convert to fraction form
    453.09/984.94 = 984.94/x
  3. Step 3: Cross multiply
    453.09x = 984.94 × 984.94
  4. Step 4: Simplify right side
    453.09x = 970,101.88
  5. Step 5: Solve for x
    x = 970,101.88/453.09
  6. Step 6: Final answer
    x = 2,141.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.