Finding the Third Proportional to 19,460 and 30,749
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Solution
The third proportional to 19,460 and 30,749 is: 48,586.90
Step by Step Solution
- Step 1: Write the proportion equation
19,460 : 30,749 = 30,749 : x - Step 2: Convert to fraction form
19,460/30,749 = 30,749/x - Step 3: Cross multiply
19,460x = 30,749 × 30,749 - Step 4: Simplify right side
19,460x = 945,501,001 - Step 5: Solve for x
x = 945,501,001/19,460 - Step 6: Final answer
x = 48,586.90
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Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.