Finding the Third Proportional to 990.98 and 2,067.40
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Solution
The third proportional to 990.98 and 2,067.40 is: 4,313.02
Step by Step Solution
- Step 1: Write the proportion equation
990.98 : 2,067.40 = 2,067.40 : x - Step 2: Convert to fraction form
990.98/2,067.40 = 2,067.40/x - Step 3: Cross multiply
990.98x = 2,067.40 × 2,067.40 - Step 4: Simplify right side
990.98x = 4,274,136.30 - Step 5: Solve for x
x = 4,274,136.30/990.98 - Step 6: Final answer
x = 4,313.02
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These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.