Finding the Third Proportional to 378,928.13 and 829,176.75
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Solution
The third proportional to 378,928.13 and 829,176.75 is: 1,814,418.19
Step by Step Solution
- Step 1: Write the proportion equation
378,928.13 : 829,176.75 = 829,176.75 : x - Step 2: Convert to fraction form
378,928.13/829,176.75 = 829,176.75/x - Step 3: Cross multiply
378,928.13x = 829,176.75 × 829,176.75 - Step 4: Simplify right side
378,928.13x = 687,534,082,740.56 - Step 5: Solve for x
x = 687,534,082,740.56/378,928.13 - Step 6: Final answer
x = 1,814,418.19
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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.