Finding the Third Proportional to 920 and 1,935
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Solution
The third proportional to 920 and 1,935 is: 4,069.81
Step by Step Solution
- Step 1: Write the proportion equation
920 : 1,935 = 1,935 : x - Step 2: Convert to fraction form
920/1,935 = 1,935/x - Step 3: Cross multiply
920x = 1,935 × 1,935 - Step 4: Simplify right side
920x = 3,744,225 - Step 5: Solve for x
x = 3,744,225/920 - Step 6: Final answer
x = 4,069.81
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.