Finding the Third Proportional to 79,997.75 and 120,503.75
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Solution
The third proportional to 79,997.75 and 120,503.75 is: 181,519.53
Step by Step Solution
- Step 1: Write the proportion equation
79,997.75 : 120,503.75 = 120,503.75 : x - Step 2: Convert to fraction form
79,997.75/120,503.75 = 120,503.75/x - Step 3: Cross multiply
79,997.75x = 120,503.75 × 120,503.75 - Step 4: Simplify right side
79,997.75x = 14,521,153,764.06 - Step 5: Solve for x
x = 14,521,153,764.06/79,997.75 - Step 6: Final answer
x = 181,519.53
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.