Finding the Third Proportional to 71,020.90 and 157,806.79
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Solution
The third proportional to 71,020.90 and 157,806.79 is: 350,642.99
Step by Step Solution
- Step 1: Write the proportion equation
71,020.90 : 157,806.79 = 157,806.79 : x - Step 2: Convert to fraction form
71,020.90/157,806.79 = 157,806.79/x - Step 3: Cross multiply
71,020.90x = 157,806.79 × 157,806.79 - Step 4: Simplify right side
71,020.90x = 24,902,981,903.68 - Step 5: Solve for x
x = 24,902,981,903.68/71,020.90 - Step 6: Final answer
x = 350,642.99
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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.