Finding the Third Proportional to 18,415.97 and 39,246.84
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Solution
The third proportional to 18,415.97 and 39,246.84 is: 83,640.17
Step by Step Solution
- Step 1: Write the proportion equation
18,415.97 : 39,246.84 = 39,246.84 : x - Step 2: Convert to fraction form
18,415.97/39,246.84 = 39,246.84/x - Step 3: Cross multiply
18,415.97x = 39,246.84 × 39,246.84 - Step 4: Simplify right side
18,415.97x = 1,540,314,744.34 - Step 5: Solve for x
x = 1,540,314,744.34/18,415.97 - Step 6: Final answer
x = 83,640.17
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.