Finding the Third Proportional to 74,236.50 and 111,993.75
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Solution
The third proportional to 74,236.50 and 111,993.75 is: 168,954.63
Step by Step Solution
- Step 1: Write the proportion equation
74,236.50 : 111,993.75 = 111,993.75 : x - Step 2: Convert to fraction form
74,236.50/111,993.75 = 111,993.75/x - Step 3: Cross multiply
74,236.50x = 111,993.75 × 111,993.75 - Step 4: Simplify right side
74,236.50x = 12,542,600,039.06 - Step 5: Solve for x
x = 12,542,600,039.06/74,236.50 - Step 6: Final answer
x = 168,954.63
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.