Finding the Third Proportional to 677,424.09 and 990,700.03
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Solution
The third proportional to 677,424.09 and 990,700.03 is: 1,448,850.96
Step by Step Solution
- Step 1: Write the proportion equation
677,424.09 : 990,700.03 = 990,700.03 : x - Step 2: Convert to fraction form
677,424.09/990,700.03 = 990,700.03/x - Step 3: Cross multiply
677,424.09x = 990,700.03 × 990,700.03 - Step 4: Simplify right side
677,424.09x = 981,486,551,918.75 - Step 5: Solve for x
x = 981,486,551,918.75/677,424.09 - Step 6: Final answer
x = 1,448,850.96
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.