Finding the Third Proportional to 78,351.75 and 119,364.75
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Solution
The third proportional to 78,351.75 and 119,364.75 is: 181,845.89
Step by Step Solution
- Step 1: Write the proportion equation
78,351.75 : 119,364.75 = 119,364.75 : x - Step 2: Convert to fraction form
78,351.75/119,364.75 = 119,364.75/x - Step 3: Cross multiply
78,351.75x = 119,364.75 × 119,364.75 - Step 4: Simplify right side
78,351.75x = 14,247,943,542.56 - Step 5: Solve for x
x = 14,247,943,542.56/78,351.75 - Step 6: Final answer
x = 181,845.89
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.