Finding the Third Proportional to 79,476 and 111,402
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Solution
The third proportional to 79,476 and 111,402 is: 156,152.87
Step by Step Solution
- Step 1: Write the proportion equation
79,476 : 111,402 = 111,402 : x - Step 2: Convert to fraction form
79,476/111,402 = 111,402/x - Step 3: Cross multiply
79,476x = 111,402 × 111,402 - Step 4: Simplify right side
79,476x = 12,410,405,604 - Step 5: Solve for x
x = 12,410,405,604/79,476 - Step 6: Final answer
x = 156,152.87
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.