Finding the Third Proportional to 305,120.75 and 638,125.75
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Solution
The third proportional to 305,120.75 and 638,125.75 is: 1,334,568.27
Step by Step Solution
- Step 1: Write the proportion equation
305,120.75 : 638,125.75 = 638,125.75 : x - Step 2: Convert to fraction form
305,120.75/638,125.75 = 638,125.75/x - Step 3: Cross multiply
305,120.75x = 638,125.75 × 638,125.75 - Step 4: Simplify right side
305,120.75x = 407,204,472,813.06 - Step 5: Solve for x
x = 407,204,472,813.06/305,120.75 - Step 6: Final answer
x = 1,334,568.27
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These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.