Finding the Third Proportional to 18,617,900 and 39,489,496
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Solution
The third proportional to 18,617,900 and 39,489,496 is: 83,759,193.80
Step by Step Solution
- Step 1: Write the proportion equation
18,617,900 : 39,489,496 = 39,489,496 : x - Step 2: Convert to fraction form
18,617,900/39,489,496 = 39,489,496/x - Step 3: Cross multiply
18,617,900x = 39,489,496 × 39,489,496 - Step 4: Simplify right side
18,617,900x = 1,559,420,294,334,016 - Step 5: Solve for x
x = 1,559,420,294,334,016/18,617,900 - Step 6: Final answer
x = 83,759,193.80
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.