Finding the Third Proportional to 4,230 and 9,180
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Solution
The third proportional to 4,230 and 9,180 is: 19,922.55
Step by Step Solution
- Step 1: Write the proportion equation
4,230 : 9,180 = 9,180 : x - Step 2: Convert to fraction form
4,230/9,180 = 9,180/x - Step 3: Cross multiply
4,230x = 9,180 × 9,180 - Step 4: Simplify right side
4,230x = 84,272,400 - Step 5: Solve for x
x = 84,272,400/4,230 - Step 6: Final answer
x = 19,922.55
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.