Finding the Third Proportional to 121,812.75 and 187,476.75
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Solution
The third proportional to 121,812.75 and 187,476.75 is: 288,537.38
Step by Step Solution
- Step 1: Write the proportion equation
121,812.75 : 187,476.75 = 187,476.75 : x - Step 2: Convert to fraction form
121,812.75/187,476.75 = 187,476.75/x - Step 3: Cross multiply
121,812.75x = 187,476.75 × 187,476.75 - Step 4: Simplify right side
121,812.75x = 35,147,531,790.56 - Step 5: Solve for x
x = 35,147,531,790.56/121,812.75 - Step 6: Final answer
x = 288,537.38
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.