Finding the Third Proportional to 7,612,920 and 11,115,576
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Solution
The third proportional to 7,612,920 and 11,115,576 is: 16,229,781.71
Step by Step Solution
- Step 1: Write the proportion equation
7,612,920 : 11,115,576 = 11,115,576 : x - Step 2: Convert to fraction form
7,612,920/11,115,576 = 11,115,576/x - Step 3: Cross multiply
7,612,920x = 11,115,576 × 11,115,576 - Step 4: Simplify right side
7,612,920x = 123,556,029,811,776 - Step 5: Solve for x
x = 123,556,029,811,776/7,612,920 - Step 6: Final answer
x = 16,229,781.71
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.