Finding the Third Proportional to 7,400.25 and 15,986.25
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Solution
The third proportional to 7,400.25 and 15,986.25 is: 34,533.99
Step by Step Solution
- Step 1: Write the proportion equation
7,400.25 : 15,986.25 = 15,986.25 : x - Step 2: Convert to fraction form
7,400.25/15,986.25 = 15,986.25/x - Step 3: Cross multiply
7,400.25x = 15,986.25 × 15,986.25 - Step 4: Simplify right side
7,400.25x = 255,560,189.06 - Step 5: Solve for x
x = 255,560,189.06/7,400.25 - Step 6: Final answer
x = 34,533.99
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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.