Finding the Third Proportional to 396 and 931.50
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Solution
The third proportional to 396 and 931.50 is: 2,191.14
Step by Step Solution
- Step 1: Write the proportion equation
396 : 931.50 = 931.50 : x - Step 2: Convert to fraction form
396/931.50 = 931.50/x - Step 3: Cross multiply
396x = 931.50 × 931.50 - Step 4: Simplify right side
396x = 867,692.25 - Step 5: Solve for x
x = 867,692.25/396 - Step 6: Final answer
x = 2,191.14
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These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.