Finding the Third Proportional to 39,138.84 and 87,242.06
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Solution
The third proportional to 39,138.84 and 87,242.06 is: 194,466.08
Step by Step Solution
- Step 1: Write the proportion equation
39,138.84 : 87,242.06 = 87,242.06 : x - Step 2: Convert to fraction form
39,138.84/87,242.06 = 87,242.06/x - Step 3: Cross multiply
39,138.84x = 87,242.06 × 87,242.06 - Step 4: Simplify right side
39,138.84x = 7,611,177,469.25 - Step 5: Solve for x
x = 7,611,177,469.25/39,138.84 - Step 6: Final answer
x = 194,466.08
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Why These Related Problems?
These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.