Finding the Third Proportional to 21,920.25 and 47,343.75
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Solution
The third proportional to 21,920.25 and 47,343.75 is: 102,253.88
Step by Step Solution
- Step 1: Write the proportion equation
21,920.25 : 47,343.75 = 47,343.75 : x - Step 2: Convert to fraction form
21,920.25/47,343.75 = 47,343.75/x - Step 3: Cross multiply
21,920.25x = 47,343.75 × 47,343.75 - Step 4: Simplify right side
21,920.25x = 2,241,430,664.06 - Step 5: Solve for x
x = 2,241,430,664.06/21,920.25 - Step 6: Final answer
x = 102,253.88
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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.