Finding the Third Proportional to 71,223.75 and 151,980.19
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Solution
The third proportional to 71,223.75 and 151,980.19 is: 324,301.62
Step by Step Solution
- Step 1: Write the proportion equation
71,223.75 : 151,980.19 = 151,980.19 : x - Step 2: Convert to fraction form
71,223.75/151,980.19 = 151,980.19/x - Step 3: Cross multiply
71,223.75x = 151,980.19 × 151,980.19 - Step 4: Simplify right side
71,223.75x = 23,097,977,392.54 - Step 5: Solve for x
x = 23,097,977,392.54/71,223.75 - Step 6: Final answer
x = 324,301.62
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.