Finding the Third Proportional to 638,587,632 and 1,379,362,272
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Solution
The third proportional to 638,587,632 and 1,379,362,272 is: 2,979,450,559.44
Step by Step Solution
- Step 1: Write the proportion equation
638,587,632 : 1,379,362,272 = 1,379,362,272 : x - Step 2: Convert to fraction form
638,587,632/1,379,362,272 = 1,379,362,272/x - Step 3: Cross multiply
638,587,632x = 1,379,362,272 × 1,379,362,272 - Step 4: Simplify right side
638,587,632x = 1,902,640,277,417,001,984 - Step 5: Solve for x
x = 1,902,640,277,417,001,984/638,587,632 - Step 6: Final answer
x = 2,979,450,559.44
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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.