Finding the Third Proportional to 15,243.19 and 17,430.19
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Solution
The third proportional to 15,243.19 and 17,430.19 is: 19,930.96
Step by Step Solution
- Step 1: Write the proportion equation
15,243.19 : 17,430.19 = 17,430.19 : x - Step 2: Convert to fraction form
15,243.19/17,430.19 = 17,430.19/x - Step 3: Cross multiply
15,243.19x = 17,430.19 × 17,430.19 - Step 4: Simplify right side
15,243.19x = 303,811,436.29 - Step 5: Solve for x
x = 303,811,436.29/15,243.19 - Step 6: Final answer
x = 19,930.96
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Why These Related Problems?
These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.