Finding the Third Proportional to 190,863.50 and 302,175.75
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Solution
The third proportional to 190,863.50 and 302,175.75 is: 478,405.69
Step by Step Solution
- Step 1: Write the proportion equation
190,863.50 : 302,175.75 = 302,175.75 : x - Step 2: Convert to fraction form
190,863.50/302,175.75 = 302,175.75/x - Step 3: Cross multiply
190,863.50x = 302,175.75 × 302,175.75 - Step 4: Simplify right side
190,863.50x = 91,310,183,888.06 - Step 5: Solve for x
x = 91,310,183,888.06/190,863.50 - Step 6: Final answer
x = 478,405.69
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Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.