Finding the Third Proportional to 43,104 and 90,420
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Solution
The third proportional to 43,104 and 90,420 is: 189,675.58
Step by Step Solution
- Step 1: Write the proportion equation
43,104 : 90,420 = 90,420 : x - Step 2: Convert to fraction form
43,104/90,420 = 90,420/x - Step 3: Cross multiply
43,104x = 90,420 × 90,420 - Step 4: Simplify right side
43,104x = 8,175,776,400 - Step 5: Solve for x
x = 8,175,776,400/43,104 - Step 6: Final answer
x = 189,675.58
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.