Finding the Third Proportional to 18,193,487 and 39,456,677
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Solution
The third proportional to 18,193,487 and 39,456,677 is: 85,570,696.80
Step by Step Solution
- Step 1: Write the proportion equation
18,193,487 : 39,456,677 = 39,456,677 : x - Step 2: Convert to fraction form
18,193,487/39,456,677 = 39,456,677/x - Step 3: Cross multiply
18,193,487x = 39,456,677 × 39,456,677 - Step 4: Simplify right side
18,193,487x = 1,556,829,359,882,329 - Step 5: Solve for x
x = 1,556,829,359,882,329/18,193,487 - Step 6: Final answer
x = 85,570,696.80
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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.