Finding the Third Proportional to 122,979.94 and 268,953.75
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Solution
The third proportional to 122,979.94 and 268,953.75 is: 588,194.47
Step by Step Solution
- Step 1: Write the proportion equation
122,979.94 : 268,953.75 = 268,953.75 : x - Step 2: Convert to fraction form
122,979.94/268,953.75 = 268,953.75/x - Step 3: Cross multiply
122,979.94x = 268,953.75 × 268,953.75 - Step 4: Simplify right side
122,979.94x = 72,336,119,639.06 - Step 5: Solve for x
x = 72,336,119,639.06/122,979.94 - Step 6: Final answer
x = 588,194.47
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.