Finding the Third Proportional to 313,729.88 and 644,145.75
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Solution
The third proportional to 313,729.88 and 644,145.75 is: 1,322,550.96
Step by Step Solution
- Step 1: Write the proportion equation
313,729.88 : 644,145.75 = 644,145.75 : x - Step 2: Convert to fraction form
313,729.88/644,145.75 = 644,145.75/x - Step 3: Cross multiply
313,729.88x = 644,145.75 × 644,145.75 - Step 4: Simplify right side
313,729.88x = 414,923,747,243.06 - Step 5: Solve for x
x = 414,923,747,243.06/313,729.88 - Step 6: Final answer
x = 1,322,550.96
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.