Finding the Third Proportional to 395,345,858 and 578,465,811
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Solution
The third proportional to 395,345,858 and 578,465,811 is: 846,404,958.40
Step by Step Solution
- Step 1: Write the proportion equation
395,345,858 : 578,465,811 = 578,465,811 : x - Step 2: Convert to fraction form
395,345,858/578,465,811 = 578,465,811/x - Step 3: Cross multiply
395,345,858x = 578,465,811 × 578,465,811 - Step 4: Simplify right side
395,345,858x = 334,622,694,495,887,744 - Step 5: Solve for x
x = 334,622,694,495,887,744/395,345,858 - Step 6: Final answer
x = 846,404,958.40
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.