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Finding the Third Proportional to 450.84 and 724.36

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Solution

The third proportional to 450.84 and 724.36 is: 1,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.84 : 724.36 = 724.36 : x
  2. Step 2: Convert to fraction form
    450.84/724.36 = 724.36/x
  3. Step 3: Cross multiply
    450.84x = 724.36 × 724.36
  4. Step 4: Simplify right side
    450.84x = 524,696.50
  5. Step 5: Solve for x
    x = 524,696.50/450.84
  6. Step 6: Final answer
    x = 1,163.81

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.