Finding the Third Proportional to 693 and 1,411
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Solution
The third proportional to 693 and 1,411 is: 2,872.90
Step by Step Solution
- Step 1: Write the proportion equation
693 : 1,411 = 1,411 : x - Step 2: Convert to fraction form
693/1,411 = 1,411/x - Step 3: Cross multiply
693x = 1,411 × 1,411 - Step 4: Simplify right side
693x = 1,990,921 - Step 5: Solve for x
x = 1,990,921/693 - Step 6: Final answer
x = 2,872.90
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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.