Finding the Third Proportional to 115,272,880 and 178,295,968
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Solution
The third proportional to 115,272,880 and 178,295,968 is: 275,775,639.55
Step by Step Solution
- Step 1: Write the proportion equation
115,272,880 : 178,295,968 = 178,295,968 : x - Step 2: Convert to fraction form
115,272,880/178,295,968 = 178,295,968/x - Step 3: Cross multiply
115,272,880x = 178,295,968 × 178,295,968 - Step 4: Simplify right side
115,272,880x = 31,789,452,205,057,024 - Step 5: Solve for x
x = 31,789,452,205,057,024/115,272,880 - Step 6: Final answer
x = 275,775,639.55
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.