Finding the Third Proportional to 79,056 and 123,120
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Solution
The third proportional to 79,056 and 123,120 is: 191,744.26
Step by Step Solution
- Step 1: Write the proportion equation
79,056 : 123,120 = 123,120 : x - Step 2: Convert to fraction form
79,056/123,120 = 123,120/x - Step 3: Cross multiply
79,056x = 123,120 × 123,120 - Step 4: Simplify right side
79,056x = 15,158,534,400 - Step 5: Solve for x
x = 15,158,534,400/79,056 - Step 6: Final answer
x = 191,744.26
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.