Finding the Third Proportional to 120,786.19 and 263,670.19
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Solution
The third proportional to 120,786.19 and 263,670.19 is: 575,578.79
Step by Step Solution
- Step 1: Write the proportion equation
120,786.19 : 263,670.19 = 263,670.19 : x - Step 2: Convert to fraction form
120,786.19/263,670.19 = 263,670.19/x - Step 3: Cross multiply
120,786.19x = 263,670.19 × 263,670.19 - Step 4: Simplify right side
120,786.19x = 69,521,967,776.29 - Step 5: Solve for x
x = 69,521,967,776.29/120,786.19 - Step 6: Final answer
x = 575,578.79
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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.