Finding the Third Proportional to 328,786 and 707,508
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Solution
The third proportional to 328,786 and 707,508 is: 1,522,472.28
Step by Step Solution
- Step 1: Write the proportion equation
328,786 : 707,508 = 707,508 : x - Step 2: Convert to fraction form
328,786/707,508 = 707,508/x - Step 3: Cross multiply
328,786x = 707,508 × 707,508 - Step 4: Simplify right side
328,786x = 500,567,570,064 - Step 5: Solve for x
x = 500,567,570,064/328,786 - Step 6: Final answer
x = 1,522,472.28
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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.