Finding the Third Proportional to 310,738.50 and 680,757.75
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Solution
The third proportional to 310,738.50 and 680,757.75 is: 1,491,386.21
Step by Step Solution
- Step 1: Write the proportion equation
310,738.50 : 680,757.75 = 680,757.75 : x - Step 2: Convert to fraction form
310,738.50/680,757.75 = 680,757.75/x - Step 3: Cross multiply
310,738.50x = 680,757.75 × 680,757.75 - Step 4: Simplify right side
310,738.50x = 463,431,114,185.06 - Step 5: Solve for x
x = 463,431,114,185.06/310,738.50 - Step 6: Final answer
x = 1,491,386.21
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.