Finding the Third Proportional to 911.67 and 1,901.81
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Solution
The third proportional to 911.67 and 1,901.81 is: 3,967.32
Step by Step Solution
- Step 1: Write the proportion equation
911.67 : 1,901.81 = 1,901.81 : x - Step 2: Convert to fraction form
911.67/1,901.81 = 1,901.81/x - Step 3: Cross multiply
911.67x = 1,901.81 × 1,901.81 - Step 4: Simplify right side
911.67x = 3,616,890.79 - Step 5: Solve for x
x = 3,616,890.79/911.67 - Step 6: Final answer
x = 3,967.32
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These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.