Finding the Third Proportional to 18,302.25 and 39,723.75
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Solution
The third proportional to 18,302.25 and 39,723.75 is: 86,217.61
Step by Step Solution
- Step 1: Write the proportion equation
18,302.25 : 39,723.75 = 39,723.75 : x - Step 2: Convert to fraction form
18,302.25/39,723.75 = 39,723.75/x - Step 3: Cross multiply
18,302.25x = 39,723.75 × 39,723.75 - Step 4: Simplify right side
18,302.25x = 1,577,976,314.06 - Step 5: Solve for x
x = 1,577,976,314.06/18,302.25 - Step 6: Final answer
x = 86,217.61
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.