Finding the Third Proportional to 18,170.25 and 39,204.75
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Solution
The third proportional to 18,170.25 and 39,204.75 is: 84,589.50
Step by Step Solution
- Step 1: Write the proportion equation
18,170.25 : 39,204.75 = 39,204.75 : x - Step 2: Convert to fraction form
18,170.25/39,204.75 = 39,204.75/x - Step 3: Cross multiply
18,170.25x = 39,204.75 × 39,204.75 - Step 4: Simplify right side
18,170.25x = 1,537,012,422.56 - Step 5: Solve for x
x = 1,537,012,422.56/18,170.25 - Step 6: Final answer
x = 84,589.50
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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.