Finding the Third Proportional to 646,596 and 1,396,440
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Solution
The third proportional to 646,596 and 1,396,440 is: 3,015,862.57
Step by Step Solution
- Step 1: Write the proportion equation
646,596 : 1,396,440 = 1,396,440 : x - Step 2: Convert to fraction form
646,596/1,396,440 = 1,396,440/x - Step 3: Cross multiply
646,596x = 1,396,440 × 1,396,440 - Step 4: Simplify right side
646,596x = 1,950,044,673,600 - Step 5: Solve for x
x = 1,950,044,673,600/646,596 - Step 6: Final answer
x = 3,015,862.57
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.