Finding the Third Proportional to 315,092.11 and 691,410.09
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Solution
The third proportional to 315,092.11 and 691,410.09 is: 1,517,168.80
Step by Step Solution
- Step 1: Write the proportion equation
315,092.11 : 691,410.09 = 691,410.09 : x - Step 2: Convert to fraction form
315,092.11/691,410.09 = 691,410.09/x - Step 3: Cross multiply
315,092.11x = 691,410.09 × 691,410.09 - Step 4: Simplify right side
315,092.11x = 478,047,917,739.38 - Step 5: Solve for x
x = 478,047,917,739.38/315,092.11 - Step 6: Final answer
x = 1,517,168.80
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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.