Finding the Third Proportional to 19,940 and 28,982
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Solution
The third proportional to 19,940 and 28,982 is: 42,124.19
Step by Step Solution
- Step 1: Write the proportion equation
19,940 : 28,982 = 28,982 : x - Step 2: Convert to fraction form
19,940/28,982 = 28,982/x - Step 3: Cross multiply
19,940x = 28,982 × 28,982 - Step 4: Simplify right side
19,940x = 839,956,324 - Step 5: Solve for x
x = 839,956,324/19,940 - Step 6: Final answer
x = 42,124.19
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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.