Finding the Third Proportional to 378,928.13 and 448,989.75
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Solution
The third proportional to 378,928.13 and 448,989.75 is: 532,005.37
Step by Step Solution
- Step 1: Write the proportion equation
378,928.13 : 448,989.75 = 448,989.75 : x - Step 2: Convert to fraction form
378,928.13/448,989.75 = 448,989.75/x - Step 3: Cross multiply
378,928.13x = 448,989.75 × 448,989.75 - Step 4: Simplify right side
378,928.13x = 201,591,795,605.06 - Step 5: Solve for x
x = 201,591,795,605.06/378,928.13 - Step 6: Final answer
x = 532,005.37
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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.