Finding the Third Proportional to 1,037.81 and 2,121.19
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Solution
The third proportional to 1,037.81 and 2,121.19 is: 4,335.50
Step by Step Solution
- Step 1: Write the proportion equation
1,037.81 : 2,121.19 = 2,121.19 : x - Step 2: Convert to fraction form
1,037.81/2,121.19 = 2,121.19/x - Step 3: Cross multiply
1,037.81x = 2,121.19 × 2,121.19 - Step 4: Simplify right side
1,037.81x = 4,499,436.41 - Step 5: Solve for x
x = 4,499,436.41/1,037.81 - Step 6: Final answer
x = 4,335.50
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These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.