Finding the Third Proportional to 78,764.75 and 119,603.75
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Solution
The third proportional to 78,764.75 and 119,603.75 is: 181,617.50
Step by Step Solution
- Step 1: Write the proportion equation
78,764.75 : 119,603.75 = 119,603.75 : x - Step 2: Convert to fraction form
78,764.75/119,603.75 = 119,603.75/x - Step 3: Cross multiply
78,764.75x = 119,603.75 × 119,603.75 - Step 4: Simplify right side
78,764.75x = 14,305,057,014.06 - Step 5: Solve for x
x = 14,305,057,014.06/78,764.75 - Step 6: Final answer
x = 181,617.50
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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.