Finding the Third Proportional to 178,497 and 391,500
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Solution
The third proportional to 178,497 and 391,500 is: 858,682.50
Step by Step Solution
- Step 1: Write the proportion equation
178,497 : 391,500 = 391,500 : x - Step 2: Convert to fraction form
178,497/391,500 = 391,500/x - Step 3: Cross multiply
178,497x = 391,500 × 391,500 - Step 4: Simplify right side
178,497x = 153,272,250,000 - Step 5: Solve for x
x = 153,272,250,000/178,497 - Step 6: Final answer
x = 858,682.50
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.