Finding the Third Proportional to 12,340 and 19,113
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Solution
The third proportional to 12,340 and 19,113 is: 29,603.47
Step by Step Solution
- Step 1: Write the proportion equation
12,340 : 19,113 = 19,113 : x - Step 2: Convert to fraction form
12,340/19,113 = 19,113/x - Step 3: Cross multiply
12,340x = 19,113 × 19,113 - Step 4: Simplify right side
12,340x = 365,306,769 - Step 5: Solve for x
x = 365,306,769/12,340 - Step 6: Final answer
x = 29,603.47
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.