Finding the Third Proportional to 30,280 and 47,260
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Solution
The third proportional to 30,280 and 47,260 is: 73,761.81
Step by Step Solution
- Step 1: Write the proportion equation
30,280 : 47,260 = 47,260 : x - Step 2: Convert to fraction form
30,280/47,260 = 47,260/x - Step 3: Cross multiply
30,280x = 47,260 × 47,260 - Step 4: Simplify right side
30,280x = 2,233,507,600 - Step 5: Solve for x
x = 2,233,507,600/30,280 - Step 6: Final answer
x = 73,761.81
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.