Finding the Third Proportional to 72,981 and 158,733
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Solution
The third proportional to 72,981 and 158,733 is: 345,242.81
Step by Step Solution
- Step 1: Write the proportion equation
72,981 : 158,733 = 158,733 : x - Step 2: Convert to fraction form
72,981/158,733 = 158,733/x - Step 3: Cross multiply
72,981x = 158,733 × 158,733 - Step 4: Simplify right side
72,981x = 25,196,165,289 - Step 5: Solve for x
x = 25,196,165,289/72,981 - Step 6: Final answer
x = 345,242.81
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.