Finding the Third Proportional to 7,628.63 and 15,665.63
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Solution
The third proportional to 7,628.63 and 15,665.63 is: 32,169.86
Step by Step Solution
- Step 1: Write the proportion equation
7,628.63 : 15,665.63 = 15,665.63 : x - Step 2: Convert to fraction form
7,628.63/15,665.63 = 15,665.63/x - Step 3: Cross multiply
7,628.63x = 15,665.63 × 15,665.63 - Step 4: Simplify right side
7,628.63x = 245,411,806.64 - Step 5: Solve for x
x = 245,411,806.64/7,628.63 - Step 6: Final answer
x = 32,169.86
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.