Finding the Third Proportional to 172,149.75 and 372,885.75
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Solution
The third proportional to 172,149.75 and 372,885.75 is: 807,690.88
Step by Step Solution
- Step 1: Write the proportion equation
172,149.75 : 372,885.75 = 372,885.75 : x - Step 2: Convert to fraction form
172,149.75/372,885.75 = 372,885.75/x - Step 3: Cross multiply
172,149.75x = 372,885.75 × 372,885.75 - Step 4: Simplify right side
172,149.75x = 139,043,782,553.06 - Step 5: Solve for x
x = 139,043,782,553.06/172,149.75 - Step 6: Final answer
x = 807,690.88
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.