Finding the Third Proportional to 278,272.13 and 419,991.75
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Solution
The third proportional to 278,272.13 and 419,991.75 is: 633,886.96
Step by Step Solution
- Step 1: Write the proportion equation
278,272.13 : 419,991.75 = 419,991.75 : x - Step 2: Convert to fraction form
278,272.13/419,991.75 = 419,991.75/x - Step 3: Cross multiply
278,272.13x = 419,991.75 × 419,991.75 - Step 4: Simplify right side
278,272.13x = 176,393,070,068.06 - Step 5: Solve for x
x = 176,393,070,068.06/278,272.13 - Step 6: Final answer
x = 633,886.96
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.