Finding the Third Proportional to 518,352.75 and 811,387.97
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Solution
The third proportional to 518,352.75 and 811,387.97 is: 1,270,081.88
Step by Step Solution
- Step 1: Write the proportion equation
518,352.75 : 811,387.97 = 811,387.97 : x - Step 2: Convert to fraction form
518,352.75/811,387.97 = 811,387.97/x - Step 3: Cross multiply
518,352.75x = 811,387.97 × 811,387.97 - Step 4: Simplify right side
518,352.75x = 658,350,435,832.25 - Step 5: Solve for x
x = 658,350,435,832.25/518,352.75 - Step 6: Final answer
x = 1,270,081.88
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.