Finding the Third Proportional to 308,544 and 641,664
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Solution
The third proportional to 308,544 and 641,664 is: 1,334,437.52
Step by Step Solution
- Step 1: Write the proportion equation
308,544 : 641,664 = 641,664 : x - Step 2: Convert to fraction form
308,544/641,664 = 641,664/x - Step 3: Cross multiply
308,544x = 641,664 × 641,664 - Step 4: Simplify right side
308,544x = 411,732,688,896 - Step 5: Solve for x
x = 411,732,688,896/308,544 - Step 6: Final answer
x = 1,334,437.52
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.