Finding the Third Proportional to 290,921,027 and 646,412,126
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Solution
The third proportional to 290,921,027 and 646,412,126 is: 1,436,295,756.79
Step by Step Solution
- Step 1: Write the proportion equation
290,921,027 : 646,412,126 = 646,412,126 : x - Step 2: Convert to fraction form
290,921,027/646,412,126 = 646,412,126/x - Step 3: Cross multiply
290,921,027x = 646,412,126 × 646,412,126 - Step 4: Simplify right side
290,921,027x = 417,848,636,639,839,872 - Step 5: Solve for x
x = 417,848,636,639,839,872/290,921,027 - Step 6: Final answer
x = 1,436,295,756.79
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.