Finding the Third Proportional to 78,130 and 161,796
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Solution
The third proportional to 78,130 and 161,796 is: 335,056.26
Step by Step Solution
- Step 1: Write the proportion equation
78,130 : 161,796 = 161,796 : x - Step 2: Convert to fraction form
78,130/161,796 = 161,796/x - Step 3: Cross multiply
78,130x = 161,796 × 161,796 - Step 4: Simplify right side
78,130x = 26,177,945,616 - Step 5: Solve for x
x = 26,177,945,616/78,130 - Step 6: Final answer
x = 335,056.26
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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.