Finding the Third Proportional to 19,368 and 42,381
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Solution
The third proportional to 19,368 and 42,381 is: 92,737.98
Step by Step Solution
- Step 1: Write the proportion equation
19,368 : 42,381 = 42,381 : x - Step 2: Convert to fraction form
19,368/42,381 = 42,381/x - Step 3: Cross multiply
19,368x = 42,381 × 42,381 - Step 4: Simplify right side
19,368x = 1,796,149,161 - Step 5: Solve for x
x = 1,796,149,161/19,368 - Step 6: Final answer
x = 92,737.98
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.