Finding the Third Proportional to 7,129,249 and 15,394,853
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Solution
The third proportional to 7,129,249 and 15,394,853 is: 33,243,543.45
Step by Step Solution
- Step 1: Write the proportion equation
7,129,249 : 15,394,853 = 15,394,853 : x - Step 2: Convert to fraction form
7,129,249/15,394,853 = 15,394,853/x - Step 3: Cross multiply
7,129,249x = 15,394,853 × 15,394,853 - Step 4: Simplify right side
7,129,249x = 237,001,498,891,609 - Step 5: Solve for x
x = 237,001,498,891,609/7,129,249 - Step 6: Final answer
x = 33,243,543.45
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.