Finding the Third Proportional to 911.25 and 1,944
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Solution
The third proportional to 911.25 and 1,944 is: 4,147.20
Step by Step Solution
- Step 1: Write the proportion equation
911.25 : 1,944 = 1,944 : x - Step 2: Convert to fraction form
911.25/1,944 = 1,944/x - Step 3: Cross multiply
911.25x = 1,944 × 1,944 - Step 4: Simplify right side
911.25x = 3,779,136 - Step 5: Solve for x
x = 3,779,136/911.25 - Step 6: Final answer
x = 4,147.20
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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.