Finding the Third Proportional to 4,958.25 and 7,972.13
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Solution
The third proportional to 4,958.25 and 7,972.13 is: 12,817.99
Step by Step Solution
- Step 1: Write the proportion equation
4,958.25 : 7,972.13 = 7,972.13 : x - Step 2: Convert to fraction form
4,958.25/7,972.13 = 7,972.13/x - Step 3: Cross multiply
4,958.25x = 7,972.13 × 7,972.13 - Step 4: Simplify right side
4,958.25x = 63,554,777.02 - Step 5: Solve for x
x = 63,554,777.02/4,958.25 - Step 6: Final answer
x = 12,817.99
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.