Finding the Third Proportional to 74,224.50 and 161,769.75
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Solution
The third proportional to 74,224.50 and 161,769.75 is: 352,571.62
Step by Step Solution
- Step 1: Write the proportion equation
74,224.50 : 161,769.75 = 161,769.75 : x - Step 2: Convert to fraction form
74,224.50/161,769.75 = 161,769.75/x - Step 3: Cross multiply
74,224.50x = 161,769.75 × 161,769.75 - Step 4: Simplify right side
74,224.50x = 26,169,452,015.06 - Step 5: Solve for x
x = 26,169,452,015.06/74,224.50 - Step 6: Final answer
x = 352,571.62
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.