Finding the Third Proportional to 81,879.19 and 173,599.88
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Solution
The third proportional to 81,879.19 and 173,599.88 is: 368,065.65
Step by Step Solution
- Step 1: Write the proportion equation
81,879.19 : 173,599.88 = 173,599.88 : x - Step 2: Convert to fraction form
81,879.19/173,599.88 = 173,599.88/x - Step 3: Cross multiply
81,879.19x = 173,599.88 × 173,599.88 - Step 4: Simplify right side
81,879.19x = 30,136,916,600.02 - Step 5: Solve for x
x = 30,136,916,600.02/81,879.19 - Step 6: Final answer
x = 368,065.65
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.