Finding the Third Proportional to 131,408.63 and 205,863.75
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Solution
The third proportional to 131,408.63 and 205,863.75 is: 322,504.58
Step by Step Solution
- Step 1: Write the proportion equation
131,408.63 : 205,863.75 = 205,863.75 : x - Step 2: Convert to fraction form
131,408.63/205,863.75 = 205,863.75/x - Step 3: Cross multiply
131,408.63x = 205,863.75 × 205,863.75 - Step 4: Simplify right side
131,408.63x = 42,379,883,564.06 - Step 5: Solve for x
x = 42,379,883,564.06/131,408.63 - Step 6: Final answer
x = 322,504.58
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.