Finding the Third Proportional to 857,387 and 1,828,651
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Solution
The third proportional to 857,387 and 1,828,651 is: 3,900,180.99
Step by Step Solution
- Step 1: Write the proportion equation
857,387 : 1,828,651 = 1,828,651 : x - Step 2: Convert to fraction form
857,387/1,828,651 = 1,828,651/x - Step 3: Cross multiply
857,387x = 1,828,651 × 1,828,651 - Step 4: Simplify right side
857,387x = 3,343,964,479,801 - Step 5: Solve for x
x = 3,343,964,479,801/857,387 - Step 6: Final answer
x = 3,900,180.99
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.