Finding the Third Proportional to 139,448 and 213,360
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Solution
The third proportional to 139,448 and 213,360 is: 326,447.78
Step by Step Solution
- Step 1: Write the proportion equation
139,448 : 213,360 = 213,360 : x - Step 2: Convert to fraction form
139,448/213,360 = 213,360/x - Step 3: Cross multiply
139,448x = 213,360 × 213,360 - Step 4: Simplify right side
139,448x = 45,522,489,600 - Step 5: Solve for x
x = 45,522,489,600/139,448 - Step 6: Final answer
x = 326,447.78
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.