Finding the Third Proportional to 7,486,899 and 15,327,930
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Solution
The third proportional to 7,486,899 and 15,327,930 is: 31,380,874.52
Step by Step Solution
- Step 1: Write the proportion equation
7,486,899 : 15,327,930 = 15,327,930 : x - Step 2: Convert to fraction form
7,486,899/15,327,930 = 15,327,930/x - Step 3: Cross multiply
7,486,899x = 15,327,930 × 15,327,930 - Step 4: Simplify right side
7,486,899x = 234,945,438,084,900 - Step 5: Solve for x
x = 234,945,438,084,900/7,486,899 - Step 6: Final answer
x = 31,380,874.52
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.