Finding the Third Proportional to 79,682,934.94 and 117,245,821.78
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Solution
The third proportional to 79,682,934.94 and 117,245,821.78 is: 172,516,019.09
Step by Step Solution
- Step 1: Write the proportion equation
79,682,934.94 : 117,245,821.78 = 117,245,821.78 : x - Step 2: Convert to fraction form
79,682,934.94/117,245,821.78 = 117,245,821.78/x - Step 3: Cross multiply
79,682,934.94x = 117,245,821.78 × 117,245,821.78 - Step 4: Simplify right side
79,682,934.94x = 13,746,582,725,160,636 - Step 5: Solve for x
x = 13,746,582,725,160,636/79,682,934.94 - Step 6: Final answer
x = 172,516,019.09
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.