Finding the Third Proportional to 121,992.75 and 177,430.50
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Solution
The third proportional to 121,992.75 and 177,430.50 is: 258,061.09
Step by Step Solution
- Step 1: Write the proportion equation
121,992.75 : 177,430.50 = 177,430.50 : x - Step 2: Convert to fraction form
121,992.75/177,430.50 = 177,430.50/x - Step 3: Cross multiply
121,992.75x = 177,430.50 × 177,430.50 - Step 4: Simplify right side
121,992.75x = 31,481,582,330.25 - Step 5: Solve for x
x = 31,481,582,330.25/121,992.75 - Step 6: Final answer
x = 258,061.09
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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.