Finding the Third Proportional to 89,240 and 138,256
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Solution
The third proportional to 89,240 and 138,256 is: 214,194.55
Step by Step Solution
- Step 1: Write the proportion equation
89,240 : 138,256 = 138,256 : x - Step 2: Convert to fraction form
89,240/138,256 = 138,256/x - Step 3: Cross multiply
89,240x = 138,256 × 138,256 - Step 4: Simplify right side
89,240x = 19,114,721,536 - Step 5: Solve for x
x = 19,114,721,536/89,240 - Step 6: Final answer
x = 214,194.55
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.