Finding the Third Proportional to 18,193.99 and 39,782.39
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Solution
The third proportional to 18,193.99 and 39,782.39 is: 86,986.88
Step by Step Solution
- Step 1: Write the proportion equation
18,193.99 : 39,782.39 = 39,782.39 : x - Step 2: Convert to fraction form
18,193.99/39,782.39 = 39,782.39/x - Step 3: Cross multiply
18,193.99x = 39,782.39 × 39,782.39 - Step 4: Simplify right side
18,193.99x = 1,582,638,603.84 - Step 5: Solve for x
x = 1,582,638,603.84/18,193.99 - Step 6: Final answer
x = 86,986.88
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.