Finding the Third Proportional to 679,328.50 and 1,388,153
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Solution
The third proportional to 679,328.50 and 1,388,153 is: 2,836,578.70
Step by Step Solution
- Step 1: Write the proportion equation
679,328.50 : 1,388,153 = 1,388,153 : x - Step 2: Convert to fraction form
679,328.50/1,388,153 = 1,388,153/x - Step 3: Cross multiply
679,328.50x = 1,388,153 × 1,388,153 - Step 4: Simplify right side
679,328.50x = 1,926,968,751,409 - Step 5: Solve for x
x = 1,926,968,751,409/679,328.50 - Step 6: Final answer
x = 2,836,578.70
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.