Finding the Third Proportional to 321,935.13 and 512,454.09
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Solution
The third proportional to 321,935.13 and 512,454.09 is: 815,720.84
Step by Step Solution
- Step 1: Write the proportion equation
321,935.13 : 512,454.09 = 512,454.09 : x - Step 2: Convert to fraction form
321,935.13/512,454.09 = 512,454.09/x - Step 3: Cross multiply
321,935.13x = 512,454.09 × 512,454.09 - Step 4: Simplify right side
321,935.13x = 262,609,198,201.13 - Step 5: Solve for x
x = 262,609,198,201.13/321,935.13 - Step 6: Final answer
x = 815,720.84
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.