Finding the Third Proportional to 74,958.75 and 161,033.50
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Solution
The third proportional to 74,958.75 and 161,033.50 is: 345,947.45
Step by Step Solution
- Step 1: Write the proportion equation
74,958.75 : 161,033.50 = 161,033.50 : x - Step 2: Convert to fraction form
74,958.75/161,033.50 = 161,033.50/x - Step 3: Cross multiply
74,958.75x = 161,033.50 × 161,033.50 - Step 4: Simplify right side
74,958.75x = 25,931,788,122.25 - Step 5: Solve for x
x = 25,931,788,122.25/74,958.75 - Step 6: Final answer
x = 345,947.45
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.