Finding the Third Proportional to 90,305.75 and 197,739.63
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Solution
The third proportional to 90,305.75 and 197,739.63 is: 432,984.16
Step by Step Solution
- Step 1: Write the proportion equation
90,305.75 : 197,739.63 = 197,739.63 : x - Step 2: Convert to fraction form
90,305.75/197,739.63 = 197,739.63/x - Step 3: Cross multiply
90,305.75x = 197,739.63 × 197,739.63 - Step 4: Simplify right side
90,305.75x = 39,100,959,295.14 - Step 5: Solve for x
x = 39,100,959,295.14/90,305.75 - Step 6: Final answer
x = 432,984.16
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.