Finding the Third Proportional to 378,991.13 and 821,052.75
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Solution
The third proportional to 378,991.13 and 821,052.75 is: 1,778,742.49
Step by Step Solution
- Step 1: Write the proportion equation
378,991.13 : 821,052.75 = 821,052.75 : x - Step 2: Convert to fraction form
378,991.13/821,052.75 = 821,052.75/x - Step 3: Cross multiply
378,991.13x = 821,052.75 × 821,052.75 - Step 4: Simplify right side
378,991.13x = 674,127,618,282.56 - Step 5: Solve for x
x = 674,127,618,282.56/378,991.13 - Step 6: Final answer
x = 1,778,742.49
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.