Finding the Third Proportional to 75,478.50 and 121,344.75
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Solution
The third proportional to 75,478.50 and 121,344.75 is: 195,082.68
Step by Step Solution
- Step 1: Write the proportion equation
75,478.50 : 121,344.75 = 121,344.75 : x - Step 2: Convert to fraction form
75,478.50/121,344.75 = 121,344.75/x - Step 3: Cross multiply
75,478.50x = 121,344.75 × 121,344.75 - Step 4: Simplify right side
75,478.50x = 14,724,548,352.56 - Step 5: Solve for x
x = 14,724,548,352.56/75,478.50 - Step 6: Final answer
x = 195,082.68
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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.