Finding the Third Proportional to 156,440 and 212,544
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Solution
The third proportional to 156,440 and 212,544 is: 288,768.55
Step by Step Solution
- Step 1: Write the proportion equation
156,440 : 212,544 = 212,544 : x - Step 2: Convert to fraction form
156,440/212,544 = 212,544/x - Step 3: Cross multiply
156,440x = 212,544 × 212,544 - Step 4: Simplify right side
156,440x = 45,174,951,936 - Step 5: Solve for x
x = 45,174,951,936/156,440 - Step 6: Final answer
x = 288,768.55
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.