Finding the Third Proportional to 55,980 and 120,981
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Solution
The third proportional to 55,980 and 120,981 is: 261,457.71
Step by Step Solution
- Step 1: Write the proportion equation
55,980 : 120,981 = 120,981 : x - Step 2: Convert to fraction form
55,980/120,981 = 120,981/x - Step 3: Cross multiply
55,980x = 120,981 × 120,981 - Step 4: Simplify right side
55,980x = 14,636,402,361 - Step 5: Solve for x
x = 14,636,402,361/55,980 - Step 6: Final answer
x = 261,457.71
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.