Finding the Third Proportional to 128,958.75 and 274,524.75
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Solution
The third proportional to 128,958.75 and 274,524.75 is: 584,402.67
Step by Step Solution
- Step 1: Write the proportion equation
128,958.75 : 274,524.75 = 274,524.75 : x - Step 2: Convert to fraction form
128,958.75/274,524.75 = 274,524.75/x - Step 3: Cross multiply
128,958.75x = 274,524.75 × 274,524.75 - Step 4: Simplify right side
128,958.75x = 75,363,838,362.56 - Step 5: Solve for x
x = 75,363,838,362.56/128,958.75 - Step 6: Final answer
x = 584,402.67
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.