Finding the Third Proportional to 331,421.63 and 496,995.75
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Solution
The third proportional to 331,421.63 and 496,995.75 is: 745,288.65
Step by Step Solution
- Step 1: Write the proportion equation
331,421.63 : 496,995.75 = 496,995.75 : x - Step 2: Convert to fraction form
331,421.63/496,995.75 = 496,995.75/x - Step 3: Cross multiply
331,421.63x = 496,995.75 × 496,995.75 - Step 4: Simplify right side
331,421.63x = 247,004,775,518.06 - Step 5: Solve for x
x = 247,004,775,518.06/331,421.63 - Step 6: Final answer
x = 745,288.65
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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.