Finding the Third Proportional to 172,776.80 and 257,832.49
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Solution
The third proportional to 172,776.80 and 257,832.49 is: 384,759.96
Step by Step Solution
- Step 1: Write the proportion equation
172,776.80 : 257,832.49 = 257,832.49 : x - Step 2: Convert to fraction form
172,776.80/257,832.49 = 257,832.49/x - Step 3: Cross multiply
172,776.80x = 257,832.49 × 257,832.49 - Step 4: Simplify right side
172,776.80x = 66,477,594,027.62 - Step 5: Solve for x
x = 66,477,594,027.62/172,776.80 - Step 6: Final answer
x = 384,759.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.