Finding the Third Proportional to 387,540 and 851,472
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Solution
The third proportional to 387,540 and 851,472 is: 1,870,786.41
Step by Step Solution
- Step 1: Write the proportion equation
387,540 : 851,472 = 851,472 : x - Step 2: Convert to fraction form
387,540/851,472 = 851,472/x - Step 3: Cross multiply
387,540x = 851,472 × 851,472 - Step 4: Simplify right side
387,540x = 725,004,566,784 - Step 5: Solve for x
x = 725,004,566,784/387,540 - Step 6: Final answer
x = 1,870,786.41
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.