Finding the Third Proportional to 7,727,430 and 16,782,288
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Solution
The third proportional to 7,727,430 and 16,782,288 is: 36,447,459.31
Step by Step Solution
- Step 1: Write the proportion equation
7,727,430 : 16,782,288 = 16,782,288 : x - Step 2: Convert to fraction form
7,727,430/16,782,288 = 16,782,288/x - Step 3: Cross multiply
7,727,430x = 16,782,288 × 16,782,288 - Step 4: Simplify right side
7,727,430x = 281,645,190,514,944 - Step 5: Solve for x
x = 281,645,190,514,944/7,727,430 - Step 6: Final answer
x = 36,447,459.31
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.