Finding the Third Proportional to 122,239.13 and 257,752.13
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Solution
The third proportional to 122,239.13 and 257,752.13 is: 543,493.40
Step by Step Solution
- Step 1: Write the proportion equation
122,239.13 : 257,752.13 = 257,752.13 : x - Step 2: Convert to fraction form
122,239.13/257,752.13 = 257,752.13/x - Step 3: Cross multiply
122,239.13x = 257,752.13 × 257,752.13 - Step 4: Simplify right side
122,239.13x = 66,436,157,942.02 - Step 5: Solve for x
x = 66,436,157,942.02/122,239.13 - Step 6: Final answer
x = 543,493.40
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.