Finding the Third Proportional to 303,691.50 and 471,453.75
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Solution
The third proportional to 303,691.50 and 471,453.75 is: 731,889.56
Step by Step Solution
- Step 1: Write the proportion equation
303,691.50 : 471,453.75 = 471,453.75 : x - Step 2: Convert to fraction form
303,691.50/471,453.75 = 471,453.75/x - Step 3: Cross multiply
303,691.50x = 471,453.75 × 471,453.75 - Step 4: Simplify right side
303,691.50x = 222,268,638,389.06 - Step 5: Solve for x
x = 222,268,638,389.06/303,691.50 - Step 6: Final answer
x = 731,889.56
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.