Finding the Third Proportional to 54,538,318 and 121,183,372
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Solution
The third proportional to 54,538,318 and 121,183,372 is: 269,267,740.33
Step by Step Solution
- Step 1: Write the proportion equation
54,538,318 : 121,183,372 = 121,183,372 : x - Step 2: Convert to fraction form
54,538,318/121,183,372 = 121,183,372/x - Step 3: Cross multiply
54,538,318x = 121,183,372 × 121,183,372 - Step 4: Simplify right side
54,538,318x = 14,685,409,649,290,384 - Step 5: Solve for x
x = 14,685,409,649,290,384/54,538,318 - Step 6: Final answer
x = 269,267,740.33
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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.