Finding the Third Proportional to 61,204.50 and 129,759.75
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Solution
The third proportional to 61,204.50 and 129,759.75 is: 275,103.84
Step by Step Solution
- Step 1: Write the proportion equation
61,204.50 : 129,759.75 = 129,759.75 : x - Step 2: Convert to fraction form
61,204.50/129,759.75 = 129,759.75/x - Step 3: Cross multiply
61,204.50x = 129,759.75 × 129,759.75 - Step 4: Simplify right side
61,204.50x = 16,837,592,720.06 - Step 5: Solve for x
x = 16,837,592,720.06/61,204.50 - Step 6: Final answer
x = 275,103.84
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.