Finding the Third Proportional to 11,811,828 and 18,221,430
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Solution
The third proportional to 11,811,828 and 18,221,430 is: 28,109,155.61
Step by Step Solution
- Step 1: Write the proportion equation
11,811,828 : 18,221,430 = 18,221,430 : x - Step 2: Convert to fraction form
11,811,828/18,221,430 = 18,221,430/x - Step 3: Cross multiply
11,811,828x = 18,221,430 × 18,221,430 - Step 4: Simplify right side
11,811,828x = 332,020,511,244,900 - Step 5: Solve for x
x = 332,020,511,244,900/11,811,828 - Step 6: Final answer
x = 28,109,155.61
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.