Finding the Third Proportional to 255,604.75 and 378,471.75
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Solution
The third proportional to 255,604.75 and 378,471.75 is: 560,399.86
Step by Step Solution
- Step 1: Write the proportion equation
255,604.75 : 378,471.75 = 378,471.75 : x - Step 2: Convert to fraction form
255,604.75/378,471.75 = 378,471.75/x - Step 3: Cross multiply
255,604.75x = 378,471.75 × 378,471.75 - Step 4: Simplify right side
255,604.75x = 143,240,865,548.06 - Step 5: Solve for x
x = 143,240,865,548.06/255,604.75 - Step 6: Final answer
x = 560,399.86
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These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.