Finding the Third Proportional to 38,340 and 81,648
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Solution
The third proportional to 38,340 and 81,648 is: 173,875.74
Step by Step Solution
- Step 1: Write the proportion equation
38,340 : 81,648 = 81,648 : x - Step 2: Convert to fraction form
38,340/81,648 = 81,648/x - Step 3: Cross multiply
38,340x = 81,648 × 81,648 - Step 4: Simplify right side
38,340x = 6,666,395,904 - Step 5: Solve for x
x = 6,666,395,904/38,340 - Step 6: Final answer
x = 173,875.74
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.