Finding the Third Proportional to 122,613.75 and 189,924.75
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Solution
The third proportional to 122,613.75 and 189,924.75 is: 294,187.32
Step by Step Solution
- Step 1: Write the proportion equation
122,613.75 : 189,924.75 = 189,924.75 : x - Step 2: Convert to fraction form
122,613.75/189,924.75 = 189,924.75/x - Step 3: Cross multiply
122,613.75x = 189,924.75 × 189,924.75 - Step 4: Simplify right side
122,613.75x = 36,071,410,662.56 - Step 5: Solve for x
x = 36,071,410,662.56/122,613.75 - Step 6: Final answer
x = 294,187.32
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.