Finding the Third Proportional to 11,871 and 18,454
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Solution
The third proportional to 11,871 and 18,454 is: 28,687.57
Step by Step Solution
- Step 1: Write the proportion equation
11,871 : 18,454 = 18,454 : x - Step 2: Convert to fraction form
11,871/18,454 = 18,454/x - Step 3: Cross multiply
11,871x = 18,454 × 18,454 - Step 4: Simplify right side
11,871x = 340,550,116 - Step 5: Solve for x
x = 340,550,116/11,871 - Step 6: Final answer
x = 28,687.57
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.