Finding the Third Proportional to 290,771.75 and 438,921.75
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Solution
The third proportional to 290,771.75 and 438,921.75 is: 662,555.09
Step by Step Solution
- Step 1: Write the proportion equation
290,771.75 : 438,921.75 = 438,921.75 : x - Step 2: Convert to fraction form
290,771.75/438,921.75 = 438,921.75/x - Step 3: Cross multiply
290,771.75x = 438,921.75 × 438,921.75 - Step 4: Simplify right side
290,771.75x = 192,652,302,623.06 - Step 5: Solve for x
x = 192,652,302,623.06/290,771.75 - Step 6: Final answer
x = 662,555.09
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.