Finding the Third Proportional to 115,317 and 172,975.50
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Solution
The third proportional to 115,317 and 172,975.50 is: 259,463.25
Step by Step Solution
- Step 1: Write the proportion equation
115,317 : 172,975.50 = 172,975.50 : x - Step 2: Convert to fraction form
115,317/172,975.50 = 172,975.50/x - Step 3: Cross multiply
115,317x = 172,975.50 × 172,975.50 - Step 4: Simplify right side
115,317x = 29,920,523,600.25 - Step 5: Solve for x
x = 29,920,523,600.25/115,317 - Step 6: Final answer
x = 259,463.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.