Finding the Third Proportional to 6,889,132 and 11,343,682
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Solution
The third proportional to 6,889,132 and 11,343,682 is: 18,678,568.12
Step by Step Solution
- Step 1: Write the proportion equation
6,889,132 : 11,343,682 = 11,343,682 : x - Step 2: Convert to fraction form
6,889,132/11,343,682 = 11,343,682/x - Step 3: Cross multiply
6,889,132x = 11,343,682 × 11,343,682 - Step 4: Simplify right side
6,889,132x = 128,679,121,317,124 - Step 5: Solve for x
x = 128,679,121,317,124/6,889,132 - Step 6: Final answer
x = 18,678,568.12
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Why These Related Problems?
These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.