Finding the Third Proportional to 79,611.75 and 171,015.75
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Solution
The third proportional to 79,611.75 and 171,015.75 is: 367,362.69
Step by Step Solution
- Step 1: Write the proportion equation
79,611.75 : 171,015.75 = 171,015.75 : x - Step 2: Convert to fraction form
79,611.75/171,015.75 = 171,015.75/x - Step 3: Cross multiply
79,611.75x = 171,015.75 × 171,015.75 - Step 4: Simplify right side
79,611.75x = 29,246,386,748.06 - Step 5: Solve for x
x = 29,246,386,748.06/79,611.75 - Step 6: Final answer
x = 367,362.69
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.