Finding the Third Proportional to 38,970 and 84,168
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Solution
The third proportional to 38,970 and 84,168 is: 181,787.33
Step by Step Solution
- Step 1: Write the proportion equation
38,970 : 84,168 = 84,168 : x - Step 2: Convert to fraction form
38,970/84,168 = 84,168/x - Step 3: Cross multiply
38,970x = 84,168 × 84,168 - Step 4: Simplify right side
38,970x = 7,084,252,224 - Step 5: Solve for x
x = 7,084,252,224/38,970 - Step 6: Final answer
x = 181,787.33
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.