Finding the Third Proportional to 318,846.38 and 486,744.19
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Solution
The third proportional to 318,846.38 and 486,744.19 is: 743,053.47
Step by Step Solution
- Step 1: Write the proportion equation
318,846.38 : 486,744.19 = 486,744.19 : x - Step 2: Convert to fraction form
318,846.38/486,744.19 = 486,744.19/x - Step 3: Cross multiply
318,846.38x = 486,744.19 × 486,744.19 - Step 4: Simplify right side
318,846.38x = 236,919,904,065.04 - Step 5: Solve for x
x = 236,919,904,065.04/318,846.38 - Step 6: Final answer
x = 743,053.47
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.