Finding the Third Proportional to 7,797,972 and 17,388,939
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Solution
The third proportional to 7,797,972 and 17,388,939 is: 38,776,133.02
Step by Step Solution
- Step 1: Write the proportion equation
7,797,972 : 17,388,939 = 17,388,939 : x - Step 2: Convert to fraction form
7,797,972/17,388,939 = 17,388,939/x - Step 3: Cross multiply
7,797,972x = 17,388,939 × 17,388,939 - Step 4: Simplify right side
7,797,972x = 302,375,199,545,721 - Step 5: Solve for x
x = 302,375,199,545,721/7,797,972 - Step 6: Final answer
x = 38,776,133.02
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Why These Related Problems?
These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.