Finding the Third Proportional to 644,734 and 1,384,612
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Solution
The third proportional to 644,734 and 1,384,612 is: 2,973,552.49
Step by Step Solution
- Step 1: Write the proportion equation
644,734 : 1,384,612 = 1,384,612 : x - Step 2: Convert to fraction form
644,734/1,384,612 = 1,384,612/x - Step 3: Cross multiply
644,734x = 1,384,612 × 1,384,612 - Step 4: Simplify right side
644,734x = 1,917,150,390,544 - Step 5: Solve for x
x = 1,917,150,390,544/644,734 - Step 6: Final answer
x = 2,973,552.49
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.