Finding the Third Proportional to 77,946 and 111,469
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Solution
The third proportional to 77,946 and 111,469 is: 159,409.57
Step by Step Solution
- Step 1: Write the proportion equation
77,946 : 111,469 = 111,469 : x - Step 2: Convert to fraction form
77,946/111,469 = 111,469/x - Step 3: Cross multiply
77,946x = 111,469 × 111,469 - Step 4: Simplify right side
77,946x = 12,425,337,961 - Step 5: Solve for x
x = 12,425,337,961/77,946 - Step 6: Final answer
x = 159,409.57
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.