Finding the Third Proportional to 130,639.50 and 195,450.75
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Solution
The third proportional to 130,639.50 and 195,450.75 is: 292,415.35
Step by Step Solution
- Step 1: Write the proportion equation
130,639.50 : 195,450.75 = 195,450.75 : x - Step 2: Convert to fraction form
130,639.50/195,450.75 = 195,450.75/x - Step 3: Cross multiply
130,639.50x = 195,450.75 × 195,450.75 - Step 4: Simplify right side
130,639.50x = 38,200,995,675.56 - Step 5: Solve for x
x = 38,200,995,675.56/130,639.50 - Step 6: Final answer
x = 292,415.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.