Finding the Third Proportional to 91,728.70 and 145,930.99
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Solution
The third proportional to 91,728.70 and 145,930.99 is: 232,161.29
Step by Step Solution
- Step 1: Write the proportion equation
91,728.70 : 145,930.99 = 145,930.99 : x - Step 2: Convert to fraction form
91,728.70/145,930.99 = 145,930.99/x - Step 3: Cross multiply
91,728.70x = 145,930.99 × 145,930.99 - Step 4: Simplify right side
91,728.70x = 21,295,854,480.83 - Step 5: Solve for x
x = 21,295,854,480.83/91,728.70 - Step 6: Final answer
x = 232,161.29
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.