Finding the Third Proportional to 15,207.94 and 20,342.81
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Solution
The third proportional to 15,207.94 and 20,342.81 is: 27,211.45
Step by Step Solution
- Step 1: Write the proportion equation
15,207.94 : 20,342.81 = 20,342.81 : x - Step 2: Convert to fraction form
15,207.94/20,342.81 = 20,342.81/x - Step 3: Cross multiply
15,207.94x = 20,342.81 × 20,342.81 - Step 4: Simplify right side
15,207.94x = 413,830,020.41 - Step 5: Solve for x
x = 413,830,020.41/15,207.94 - Step 6: Final answer
x = 27,211.45
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Why These Related Problems?
These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.