Finding the Third Proportional to 86,658 and 188,130
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Solution
The third proportional to 86,658 and 188,130 is: 408,420.42
Step by Step Solution
- Step 1: Write the proportion equation
86,658 : 188,130 = 188,130 : x - Step 2: Convert to fraction form
86,658/188,130 = 188,130/x - Step 3: Cross multiply
86,658x = 188,130 × 188,130 - Step 4: Simplify right side
86,658x = 35,392,896,900 - Step 5: Solve for x
x = 35,392,896,900/86,658 - Step 6: Final answer
x = 408,420.42
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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.