Finding the Third Proportional to 388,789.75 and 852,313.75
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Solution
The third proportional to 388,789.75 and 852,313.75 is: 1,868,461.63
Step by Step Solution
- Step 1: Write the proportion equation
388,789.75 : 852,313.75 = 852,313.75 : x - Step 2: Convert to fraction form
388,789.75/852,313.75 = 852,313.75/x - Step 3: Cross multiply
388,789.75x = 852,313.75 × 852,313.75 - Step 4: Simplify right side
388,789.75x = 726,438,728,439.06 - Step 5: Solve for x
x = 726,438,728,439.06/388,789.75 - Step 6: Final answer
x = 1,868,461.63
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.