Finding the Third Proportional to 984.75 and 1,992
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Solution
The third proportional to 984.75 and 1,992 is: 4,029.51
Step by Step Solution
- Step 1: Write the proportion equation
984.75 : 1,992 = 1,992 : x - Step 2: Convert to fraction form
984.75/1,992 = 1,992/x - Step 3: Cross multiply
984.75x = 1,992 × 1,992 - Step 4: Simplify right side
984.75x = 3,968,064 - Step 5: Solve for x
x = 3,968,064/984.75 - Step 6: Final answer
x = 4,029.51
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These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.