Finding the Third Proportional to 3,425,998.78 and 7,617,990.09
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Solution
The third proportional to 3,425,998.78 and 7,617,990.09 is: 16,939,227.59
Step by Step Solution
- Step 1: Write the proportion equation
3,425,998.78 : 7,617,990.09 = 7,617,990.09 : x - Step 2: Convert to fraction form
3,425,998.78/7,617,990.09 = 7,617,990.09/x - Step 3: Cross multiply
3,425,998.78x = 7,617,990.09 × 7,617,990.09 - Step 4: Simplify right side
3,425,998.78x = 58,033,773,068,473.13 - Step 5: Solve for x
x = 58,033,773,068,473.13/3,425,998.78 - Step 6: Final answer
x = 16,939,227.59
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.