Finding the Third Proportional to 87,698 and 189,410
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Solution
The third proportional to 87,698 and 189,410 is: 409,087.41
Step by Step Solution
- Step 1: Write the proportion equation
87,698 : 189,410 = 189,410 : x - Step 2: Convert to fraction form
87,698/189,410 = 189,410/x - Step 3: Cross multiply
87,698x = 189,410 × 189,410 - Step 4: Simplify right side
87,698x = 35,876,148,100 - Step 5: Solve for x
x = 35,876,148,100/87,698 - Step 6: Final answer
x = 409,087.41
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.