Finding the Third Proportional to 121,407.75 and 190,032.75
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Solution
The third proportional to 121,407.75 and 190,032.75 is: 297,447.62
Step by Step Solution
- Step 1: Write the proportion equation
121,407.75 : 190,032.75 = 190,032.75 : x - Step 2: Convert to fraction form
121,407.75/190,032.75 = 190,032.75/x - Step 3: Cross multiply
121,407.75x = 190,032.75 × 190,032.75 - Step 4: Simplify right side
121,407.75x = 36,112,446,072.56 - Step 5: Solve for x
x = 36,112,446,072.56/121,407.75 - Step 6: Final answer
x = 297,447.62
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.