Finding the Third Proportional to 78,116 and 161,768
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Solution
The third proportional to 78,116 and 161,768 is: 335,000.33
Step by Step Solution
- Step 1: Write the proportion equation
78,116 : 161,768 = 161,768 : x - Step 2: Convert to fraction form
78,116/161,768 = 161,768/x - Step 3: Cross multiply
78,116x = 161,768 × 161,768 - Step 4: Simplify right side
78,116x = 26,168,885,824 - Step 5: Solve for x
x = 26,168,885,824/78,116 - Step 6: Final answer
x = 335,000.33
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.