Finding the Third Proportional to 378,769.50 and 817,630.50
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Solution
The third proportional to 378,769.50 and 817,630.50 is: 1,764,977.47
Step by Step Solution
- Step 1: Write the proportion equation
378,769.50 : 817,630.50 = 817,630.50 : x - Step 2: Convert to fraction form
378,769.50/817,630.50 = 817,630.50/x - Step 3: Cross multiply
378,769.50x = 817,630.50 × 817,630.50 - Step 4: Simplify right side
378,769.50x = 668,519,634,530.25 - Step 5: Solve for x
x = 668,519,634,530.25/378,769.50 - Step 6: Final answer
x = 1,764,977.47
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.