Finding the Third Proportional to 7,841.81 and 17,430.19
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Solution
The third proportional to 7,841.81 and 17,430.19 is: 38,742.50
Step by Step Solution
- Step 1: Write the proportion equation
7,841.81 : 17,430.19 = 17,430.19 : x - Step 2: Convert to fraction form
7,841.81/17,430.19 = 17,430.19/x - Step 3: Cross multiply
7,841.81x = 17,430.19 × 17,430.19 - Step 4: Simplify right side
7,841.81x = 303,811,436.29 - Step 5: Solve for x
x = 303,811,436.29/7,841.81 - Step 6: Final answer
x = 38,742.50
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.