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Finding the Third Proportional to 444.23 and 990.98

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Solution

The third proportional to 444.23 and 990.98 is: 2,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.23 : 990.98 = 990.98 : x
  2. Step 2: Convert to fraction form
    444.23/990.98 = 990.98/x
  3. Step 3: Cross multiply
    444.23x = 990.98 × 990.98
  4. Step 4: Simplify right side
    444.23x = 982,050.03
  5. Step 5: Solve for x
    x = 982,050.03/444.23
  6. Step 6: Final answer
    x = 2,210.66

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.