Finding the Third Proportional to 279,631,988 and 434,170,544
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Solution
The third proportional to 279,631,988 and 434,170,544 is: 674,114,798.62
Step by Step Solution
- Step 1: Write the proportion equation
279,631,988 : 434,170,544 = 434,170,544 : x - Step 2: Convert to fraction form
279,631,988/434,170,544 = 434,170,544/x - Step 3: Cross multiply
279,631,988x = 434,170,544 × 434,170,544 - Step 4: Simplify right side
279,631,988x = 188,504,061,277,255,936 - Step 5: Solve for x
x = 188,504,061,277,255,936/279,631,988 - Step 6: Final answer
x = 674,114,798.62
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.