Finding the Third Proportional to 66,237.75 and 135,391.50
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Solution
The third proportional to 66,237.75 and 135,391.50 is: 276,743.37
Step by Step Solution
- Step 1: Write the proportion equation
66,237.75 : 135,391.50 = 135,391.50 : x - Step 2: Convert to fraction form
66,237.75/135,391.50 = 135,391.50/x - Step 3: Cross multiply
66,237.75x = 135,391.50 × 135,391.50 - Step 4: Simplify right side
66,237.75x = 18,330,858,272.25 - Step 5: Solve for x
x = 18,330,858,272.25/66,237.75 - Step 6: Final answer
x = 276,743.37
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These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.