Finding the Third Proportional to 79,155,116 and 121,086,720
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Solution
The third proportional to 79,155,116 and 121,086,720 is: 185,231,157.52
Step by Step Solution
- Step 1: Write the proportion equation
79,155,116 : 121,086,720 = 121,086,720 : x - Step 2: Convert to fraction form
79,155,116/121,086,720 = 121,086,720/x - Step 3: Cross multiply
79,155,116x = 121,086,720 × 121,086,720 - Step 4: Simplify right side
79,155,116x = 14,661,993,760,358,400 - Step 5: Solve for x
x = 14,661,993,760,358,400/79,155,116 - Step 6: Final answer
x = 185,231,157.52
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.