Finding the Third Proportional to 8,639,542 and 18,508,726
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Solution
The third proportional to 8,639,542 and 18,508,726 is: 39,651,747.53
Step by Step Solution
- Step 1: Write the proportion equation
8,639,542 : 18,508,726 = 18,508,726 : x - Step 2: Convert to fraction form
8,639,542/18,508,726 = 18,508,726/x - Step 3: Cross multiply
8,639,542x = 18,508,726 × 18,508,726 - Step 4: Simplify right side
8,639,542x = 342,572,938,143,076 - Step 5: Solve for x
x = 342,572,938,143,076/8,639,542 - Step 6: Final answer
x = 39,651,747.53
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.