Finding the Third Proportional to 25,380 and 28,044
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Solution
The third proportional to 25,380 and 28,044 is: 30,987.63
Step by Step Solution
- Step 1: Write the proportion equation
25,380 : 28,044 = 28,044 : x - Step 2: Convert to fraction form
25,380/28,044 = 28,044/x - Step 3: Cross multiply
25,380x = 28,044 × 28,044 - Step 4: Simplify right side
25,380x = 786,465,936 - Step 5: Solve for x
x = 786,465,936/25,380 - Step 6: Final answer
x = 30,987.63
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Why These Related Problems?
These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.