Finding the Third Proportional to 7,986,840 and 11,421,274
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Solution
The third proportional to 7,986,840 and 11,421,274 is: 16,332,554.53
Step by Step Solution
- Step 1: Write the proportion equation
7,986,840 : 11,421,274 = 11,421,274 : x - Step 2: Convert to fraction form
7,986,840/11,421,274 = 11,421,274/x - Step 3: Cross multiply
7,986,840x = 11,421,274 × 11,421,274 - Step 4: Simplify right side
7,986,840x = 130,445,499,783,076 - Step 5: Solve for x
x = 130,445,499,783,076/7,986,840 - Step 6: Final answer
x = 16,332,554.53
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.