Finding the Third Proportional to 72,222 and 107,729
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Solution
The third proportional to 72,222 and 107,729 is: 160,692.55
Step by Step Solution
- Step 1: Write the proportion equation
72,222 : 107,729 = 107,729 : x - Step 2: Convert to fraction form
72,222/107,729 = 107,729/x - Step 3: Cross multiply
72,222x = 107,729 × 107,729 - Step 4: Simplify right side
72,222x = 11,605,537,441 - Step 5: Solve for x
x = 11,605,537,441/72,222 - Step 6: Final answer
x = 160,692.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.