Finding the Third Proportional to 178,916 and 385,859
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Solution
The third proportional to 178,916 and 385,859 is: 832,162.40
Step by Step Solution
- Step 1: Write the proportion equation
178,916 : 385,859 = 385,859 : x - Step 2: Convert to fraction form
178,916/385,859 = 385,859/x - Step 3: Cross multiply
178,916x = 385,859 × 385,859 - Step 4: Simplify right side
178,916x = 148,887,167,881 - Step 5: Solve for x
x = 148,887,167,881/178,916 - Step 6: Final answer
x = 832,162.40
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.