Finding the Third Proportional to 1,379.53 and 2,074.99
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Solution
The third proportional to 1,379.53 and 2,074.99 is: 3,121.05
Step by Step Solution
- Step 1: Write the proportion equation
1,379.53 : 2,074.99 = 2,074.99 : x - Step 2: Convert to fraction form
1,379.53/2,074.99 = 2,074.99/x - Step 3: Cross multiply
1,379.53x = 2,074.99 × 2,074.99 - Step 4: Simplify right side
1,379.53x = 4,305,592.58 - Step 5: Solve for x
x = 4,305,592.58/1,379.53 - Step 6: Final answer
x = 3,121.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.