Finding the Third Proportional to 153,140 and 324,464
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Solution
The third proportional to 153,140 and 324,464 is: 687,455.19
Step by Step Solution
- Step 1: Write the proportion equation
153,140 : 324,464 = 324,464 : x - Step 2: Convert to fraction form
153,140/324,464 = 324,464/x - Step 3: Cross multiply
153,140x = 324,464 × 324,464 - Step 4: Simplify right side
153,140x = 105,276,887,296 - Step 5: Solve for x
x = 105,276,887,296/153,140 - Step 6: Final answer
x = 687,455.19
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.