Finding the Third Proportional to 128,364.75 and 264,930.75
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Solution
The third proportional to 128,364.75 and 264,930.75 is: 546,787.98
Step by Step Solution
- Step 1: Write the proportion equation
128,364.75 : 264,930.75 = 264,930.75 : x - Step 2: Convert to fraction form
128,364.75/264,930.75 = 264,930.75/x - Step 3: Cross multiply
128,364.75x = 264,930.75 × 264,930.75 - Step 4: Simplify right side
128,364.75x = 70,188,302,295.56 - Step 5: Solve for x
x = 70,188,302,295.56/128,364.75 - Step 6: Final answer
x = 546,787.98
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.