Finding the Third Proportional to 7,854.75 and 18,982.13
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Solution
The third proportional to 7,854.75 and 18,982.13 is: 45,873.02
Step by Step Solution
- Step 1: Write the proportion equation
7,854.75 : 18,982.13 = 18,982.13 : x - Step 2: Convert to fraction form
7,854.75/18,982.13 = 18,982.13/x - Step 3: Cross multiply
7,854.75x = 18,982.13 × 18,982.13 - Step 4: Simplify right side
7,854.75x = 360,321,069.52 - Step 5: Solve for x
x = 360,321,069.52/7,854.75 - Step 6: Final answer
x = 45,873.02
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Why These Related Problems?
These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.