Finding the Third Proportional to 13,108 and 15,988
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Solution
The third proportional to 13,108 and 15,988 is: 19,500.77
Step by Step Solution
- Step 1: Write the proportion equation
13,108 : 15,988 = 15,988 : x - Step 2: Convert to fraction form
13,108/15,988 = 15,988/x - Step 3: Cross multiply
13,108x = 15,988 × 15,988 - Step 4: Simplify right side
13,108x = 255,616,144 - Step 5: Solve for x
x = 255,616,144/13,108 - Step 6: Final answer
x = 19,500.77
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Why These Related Problems?
These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.