Finding the Third Proportional to 18,306.75 and 39,969.75
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Solution
The third proportional to 18,306.75 and 39,969.75 is: 87,267.31
Step by Step Solution
- Step 1: Write the proportion equation
18,306.75 : 39,969.75 = 39,969.75 : x - Step 2: Convert to fraction form
18,306.75/39,969.75 = 39,969.75/x - Step 3: Cross multiply
18,306.75x = 39,969.75 × 39,969.75 - Step 4: Simplify right side
18,306.75x = 1,597,580,915.06 - Step 5: Solve for x
x = 1,597,580,915.06/18,306.75 - Step 6: Final answer
x = 87,267.31
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.