Finding the Third Proportional to 78,310.50 and 119,301
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Solution
The third proportional to 78,310.50 and 119,301 is: 181,747.39
Step by Step Solution
- Step 1: Write the proportion equation
78,310.50 : 119,301 = 119,301 : x - Step 2: Convert to fraction form
78,310.50/119,301 = 119,301/x - Step 3: Cross multiply
78,310.50x = 119,301 × 119,301 - Step 4: Simplify right side
78,310.50x = 14,232,728,601 - Step 5: Solve for x
x = 14,232,728,601/78,310.50 - Step 6: Final answer
x = 181,747.39
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.