Finding the Third Proportional to 18,486,219 and 39,895,364
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Solution
The third proportional to 18,486,219 and 39,895,364 is: 86,098,734.88
Step by Step Solution
- Step 1: Write the proportion equation
18,486,219 : 39,895,364 = 39,895,364 : x - Step 2: Convert to fraction form
18,486,219/39,895,364 = 39,895,364/x - Step 3: Cross multiply
18,486,219x = 39,895,364 × 39,895,364 - Step 4: Simplify right side
18,486,219x = 1,591,640,068,692,496 - Step 5: Solve for x
x = 1,591,640,068,692,496/18,486,219 - Step 6: Final answer
x = 86,098,734.88
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.