Finding the Third Proportional to 311,445.84 and 679,173.19
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Solution
The third proportional to 311,445.84 and 679,173.19 is: 1,481,080.03
Step by Step Solution
- Step 1: Write the proportion equation
311,445.84 : 679,173.19 = 679,173.19 : x - Step 2: Convert to fraction form
311,445.84/679,173.19 = 679,173.19/x - Step 3: Cross multiply
311,445.84x = 679,173.19 × 679,173.19 - Step 4: Simplify right side
311,445.84x = 461,276,218,618.91 - Step 5: Solve for x
x = 461,276,218,618.91/311,445.84 - Step 6: Final answer
x = 1,481,080.03
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.