Finding the Third Proportional to 489,665.25 and 748,571.63
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Solution
The third proportional to 489,665.25 and 748,571.63 is: 1,144,372.56
Step by Step Solution
- Step 1: Write the proportion equation
489,665.25 : 748,571.63 = 748,571.63 : x - Step 2: Convert to fraction form
489,665.25/748,571.63 = 748,571.63/x - Step 3: Cross multiply
489,665.25x = 748,571.63 × 748,571.63 - Step 4: Simplify right side
489,665.25x = 560,359,477,755.14 - Step 5: Solve for x
x = 560,359,477,755.14/489,665.25 - Step 6: Final answer
x = 1,144,372.56
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.