Finding the Third Proportional to 320,874.75 and 493,251.19
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Solution
The third proportional to 320,874.75 and 493,251.19 is: 758,229.60
Step by Step Solution
- Step 1: Write the proportion equation
320,874.75 : 493,251.19 = 493,251.19 : x - Step 2: Convert to fraction form
320,874.75/493,251.19 = 493,251.19/x - Step 3: Cross multiply
320,874.75x = 493,251.19 × 493,251.19 - Step 4: Simplify right side
320,874.75x = 243,296,733,970.16 - Step 5: Solve for x
x = 243,296,733,970.16/320,874.75 - Step 6: Final answer
x = 758,229.60
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.