Finding the Third Proportional to 121,872.75 and 188,340.75
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Solution
The third proportional to 121,872.75 and 188,340.75 is: 291,059.63
Step by Step Solution
- Step 1: Write the proportion equation
121,872.75 : 188,340.75 = 188,340.75 : x - Step 2: Convert to fraction form
121,872.75/188,340.75 = 188,340.75/x - Step 3: Cross multiply
121,872.75x = 188,340.75 × 188,340.75 - Step 4: Simplify right side
121,872.75x = 35,472,238,110.56 - Step 5: Solve for x
x = 35,472,238,110.56/121,872.75 - Step 6: Final answer
x = 291,059.63
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.