Finding the Third Proportional to 1,692 and 3,608
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Solution
The third proportional to 1,692 and 3,608 is: 7,693.65
Step by Step Solution
- Step 1: Write the proportion equation
1,692 : 3,608 = 3,608 : x - Step 2: Convert to fraction form
1,692/3,608 = 3,608/x - Step 3: Cross multiply
1,692x = 3,608 × 3,608 - Step 4: Simplify right side
1,692x = 13,017,664 - Step 5: Solve for x
x = 13,017,664/1,692 - Step 6: Final answer
x = 7,693.65
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.