Finding the Third Proportional to 121,405.75 and 247,630.75
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Solution
The third proportional to 121,405.75 and 247,630.75 is: 505,091.30
Step by Step Solution
- Step 1: Write the proportion equation
121,405.75 : 247,630.75 = 247,630.75 : x - Step 2: Convert to fraction form
121,405.75/247,630.75 = 247,630.75/x - Step 3: Cross multiply
121,405.75x = 247,630.75 × 247,630.75 - Step 4: Simplify right side
121,405.75x = 61,320,988,345.56 - Step 5: Solve for x
x = 61,320,988,345.56/121,405.75 - Step 6: Final answer
x = 505,091.30
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.