Finding the Third Proportional to 202,780.13 and 311,858.44
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Solution
The third proportional to 202,780.13 and 311,858.44 is: 479,611.53
Step by Step Solution
- Step 1: Write the proportion equation
202,780.13 : 311,858.44 = 311,858.44 : x - Step 2: Convert to fraction form
202,780.13/311,858.44 = 311,858.44/x - Step 3: Cross multiply
202,780.13x = 311,858.44 × 311,858.44 - Step 4: Simplify right side
202,780.13x = 97,255,685,039.94 - Step 5: Solve for x
x = 97,255,685,039.94/202,780.13 - Step 6: Final answer
x = 479,611.53
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.