Finding the Third Proportional to 8,707.42 and 18,798.80
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Solution
The third proportional to 8,707.42 and 18,798.80 is: 40,585.49
Step by Step Solution
- Step 1: Write the proportion equation
8,707.42 : 18,798.80 = 18,798.80 : x - Step 2: Convert to fraction form
8,707.42/18,798.80 = 18,798.80/x - Step 3: Cross multiply
8,707.42x = 18,798.80 × 18,798.80 - Step 4: Simplify right side
8,707.42x = 353,394,984.25 - Step 5: Solve for x
x = 353,394,984.25/8,707.42 - Step 6: Final answer
x = 40,585.49
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.