Finding the Third Proportional to 84,471.75 and 126,456.75
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Solution
The third proportional to 84,471.75 and 126,456.75 is: 189,309.56
Step by Step Solution
- Step 1: Write the proportion equation
84,471.75 : 126,456.75 = 126,456.75 : x - Step 2: Convert to fraction form
84,471.75/126,456.75 = 126,456.75/x - Step 3: Cross multiply
84,471.75x = 126,456.75 × 126,456.75 - Step 4: Simplify right side
84,471.75x = 15,991,309,620.56 - Step 5: Solve for x
x = 15,991,309,620.56/84,471.75 - Step 6: Final answer
x = 189,309.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.