Finding the Third Proportional to 17,960 and 36,820
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Solution
The third proportional to 17,960 and 36,820 is: 75,485.10
Step by Step Solution
- Step 1: Write the proportion equation
17,960 : 36,820 = 36,820 : x - Step 2: Convert to fraction form
17,960/36,820 = 36,820/x - Step 3: Cross multiply
17,960x = 36,820 × 36,820 - Step 4: Simplify right side
17,960x = 1,355,712,400 - Step 5: Solve for x
x = 1,355,712,400/17,960 - Step 6: Final answer
x = 75,485.10
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.