Finding the Third Proportional to 378,954 and 557,349.75
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Solution
The third proportional to 378,954 and 557,349.75 is: 819,726.78
Step by Step Solution
- Step 1: Write the proportion equation
378,954 : 557,349.75 = 557,349.75 : x - Step 2: Convert to fraction form
378,954/557,349.75 = 557,349.75/x - Step 3: Cross multiply
378,954x = 557,349.75 × 557,349.75 - Step 4: Simplify right side
378,954x = 310,638,743,825.06 - Step 5: Solve for x
x = 310,638,743,825.06/378,954 - Step 6: Final answer
x = 819,726.78
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.