Finding the Third Proportional to 18,415.13 and 40,203.75
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Solution
The third proportional to 18,415.13 and 40,203.75 is: 87,772.50
Step by Step Solution
- Step 1: Write the proportion equation
18,415.13 : 40,203.75 = 40,203.75 : x - Step 2: Convert to fraction form
18,415.13/40,203.75 = 40,203.75/x - Step 3: Cross multiply
18,415.13x = 40,203.75 × 40,203.75 - Step 4: Simplify right side
18,415.13x = 1,616,341,514.06 - Step 5: Solve for x
x = 1,616,341,514.06/18,415.13 - Step 6: Final answer
x = 87,772.50
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.