Finding the Third Proportional to 7,230.94 and 15,135.19
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Solution
The third proportional to 7,230.94 and 15,135.19 is: 31,679.70
Step by Step Solution
- Step 1: Write the proportion equation
7,230.94 : 15,135.19 = 15,135.19 : x - Step 2: Convert to fraction form
7,230.94/15,135.19 = 15,135.19/x - Step 3: Cross multiply
7,230.94x = 15,135.19 × 15,135.19 - Step 4: Simplify right side
7,230.94x = 229,073,900.66 - Step 5: Solve for x
x = 229,073,900.66/7,230.94 - Step 6: Final answer
x = 31,679.70
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.