Finding the Third Proportional to 291,755 and 628,150
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Solution
The third proportional to 291,755 and 628,150 is: 1,352,410.15
Step by Step Solution
- Step 1: Write the proportion equation
291,755 : 628,150 = 628,150 : x - Step 2: Convert to fraction form
291,755/628,150 = 628,150/x - Step 3: Cross multiply
291,755x = 628,150 × 628,150 - Step 4: Simplify right side
291,755x = 394,572,422,500 - Step 5: Solve for x
x = 394,572,422,500/291,755 - Step 6: Final answer
x = 1,352,410.15
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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.