Finding the Third Proportional to 7,817.63 and 10,769.63
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Solution
The third proportional to 7,817.63 and 10,769.63 is: 14,836.32
Step by Step Solution
- Step 1: Write the proportion equation
7,817.63 : 10,769.63 = 10,769.63 : x - Step 2: Convert to fraction form
7,817.63/10,769.63 = 10,769.63/x - Step 3: Cross multiply
7,817.63x = 10,769.63 × 10,769.63 - Step 4: Simplify right side
7,817.63x = 115,984,822.64 - Step 5: Solve for x
x = 115,984,822.64/7,817.63 - Step 6: Final answer
x = 14,836.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.