Finding the Third Proportional to 280,163.81 and 420,450.75
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Solution
The third proportional to 280,163.81 and 420,450.75 is: 630,983.82
Step by Step Solution
- Step 1: Write the proportion equation
280,163.81 : 420,450.75 = 420,450.75 : x - Step 2: Convert to fraction form
280,163.81/420,450.75 = 420,450.75/x - Step 3: Cross multiply
280,163.81x = 420,450.75 × 420,450.75 - Step 4: Simplify right side
280,163.81x = 176,778,833,175.56 - Step 5: Solve for x
x = 176,778,833,175.56/280,163.81 - Step 6: Final answer
x = 630,983.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.