Finding the Third Proportional to 289,128,940 and 440,469,284
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Solution
The third proportional to 289,128,940 and 440,469,284 is: 671,026,532.82
Step by Step Solution
- Step 1: Write the proportion equation
289,128,940 : 440,469,284 = 440,469,284 : x - Step 2: Convert to fraction form
289,128,940/440,469,284 = 440,469,284/x - Step 3: Cross multiply
289,128,940x = 440,469,284 × 440,469,284 - Step 4: Simplify right side
289,128,940x = 194,013,190,147,472,640 - Step 5: Solve for x
x = 194,013,190,147,472,640/289,128,940 - Step 6: Final answer
x = 671,026,532.82
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.