Finding the Third Proportional to 11,528 and 13,230
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Solution
The third proportional to 11,528 and 13,230 is: 15,183.28
Step by Step Solution
- Step 1: Write the proportion equation
11,528 : 13,230 = 13,230 : x - Step 2: Convert to fraction form
11,528/13,230 = 13,230/x - Step 3: Cross multiply
11,528x = 13,230 × 13,230 - Step 4: Simplify right side
11,528x = 175,032,900 - Step 5: Solve for x
x = 175,032,900/11,528 - Step 6: Final answer
x = 15,183.28
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Why These Related Problems?
These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.