Finding the Third Proportional to 280,438.75 and 393,502.75
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Solution
The third proportional to 280,438.75 and 393,502.75 is: 552,150.56
Step by Step Solution
- Step 1: Write the proportion equation
280,438.75 : 393,502.75 = 393,502.75 : x - Step 2: Convert to fraction form
280,438.75/393,502.75 = 393,502.75/x - Step 3: Cross multiply
280,438.75x = 393,502.75 × 393,502.75 - Step 4: Simplify right side
280,438.75x = 154,844,414,257.56 - Step 5: Solve for x
x = 154,844,414,257.56/280,438.75 - Step 6: Final answer
x = 552,150.56
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.