Finding the Third Proportional to 79,211,519 and 121,172,161
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Solution
The third proportional to 79,211,519 and 121,172,161 is: 185,360,573.65
Step by Step Solution
- Step 1: Write the proportion equation
79,211,519 : 121,172,161 = 121,172,161 : x - Step 2: Convert to fraction form
79,211,519/121,172,161 = 121,172,161/x - Step 3: Cross multiply
79,211,519x = 121,172,161 × 121,172,161 - Step 4: Simplify right side
79,211,519x = 14,682,692,601,409,920 - Step 5: Solve for x
x = 14,682,692,601,409,920/79,211,519 - Step 6: Final answer
x = 185,360,573.65
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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.