Finding the Third Proportional to 1,986 and 4,332
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Solution
The third proportional to 1,986 and 4,332 is: 9,449.26
Step by Step Solution
- Step 1: Write the proportion equation
1,986 : 4,332 = 4,332 : x - Step 2: Convert to fraction form
1,986/4,332 = 4,332/x - Step 3: Cross multiply
1,986x = 4,332 × 4,332 - Step 4: Simplify right side
1,986x = 18,766,224 - Step 5: Solve for x
x = 18,766,224/1,986 - Step 6: Final answer
x = 9,449.26
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.