Finding the Third Proportional to 7,663,434 and 12,771,878
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Solution
The third proportional to 7,663,434 and 12,771,878 is: 21,285,610.03
Step by Step Solution
- Step 1: Write the proportion equation
7,663,434 : 12,771,878 = 12,771,878 : x - Step 2: Convert to fraction form
7,663,434/12,771,878 = 12,771,878/x - Step 3: Cross multiply
7,663,434x = 12,771,878 × 12,771,878 - Step 4: Simplify right side
7,663,434x = 163,120,867,646,884 - Step 5: Solve for x
x = 163,120,867,646,884/7,663,434 - Step 6: Final answer
x = 21,285,610.03
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Why These Related Problems?
These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.