Finding the Third Proportional to 988 and 1,608
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Solution
The third proportional to 988 and 1,608 is: 2,617.07
Step by Step Solution
- Step 1: Write the proportion equation
988 : 1,608 = 1,608 : x - Step 2: Convert to fraction form
988/1,608 = 1,608/x - Step 3: Cross multiply
988x = 1,608 × 1,608 - Step 4: Simplify right side
988x = 2,585,664 - Step 5: Solve for x
x = 2,585,664/988 - Step 6: Final answer
x = 2,617.07
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These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.