Finding the Third Proportional to 7,211,648 and 11,151,576
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Solution
The third proportional to 7,211,648 and 11,151,576 is: 17,243,998.50
Step by Step Solution
- Step 1: Write the proportion equation
7,211,648 : 11,151,576 = 11,151,576 : x - Step 2: Convert to fraction form
7,211,648/11,151,576 = 11,151,576/x - Step 3: Cross multiply
7,211,648x = 11,151,576 × 11,151,576 - Step 4: Simplify right side
7,211,648x = 124,357,647,283,776 - Step 5: Solve for x
x = 124,357,647,283,776/7,211,648 - Step 6: Final answer
x = 17,243,998.50
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.