Finding the Third Proportional to 201,890,918 and 439,211,236
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Solution
The third proportional to 201,890,918 and 439,211,236 is: 955,498,700.68
Step by Step Solution
- Step 1: Write the proportion equation
201,890,918 : 439,211,236 = 439,211,236 : x - Step 2: Convert to fraction form
201,890,918/439,211,236 = 439,211,236/x - Step 3: Cross multiply
201,890,918x = 439,211,236 × 439,211,236 - Step 4: Simplify right side
201,890,918x = 192,906,509,828,647,680 - Step 5: Solve for x
x = 192,906,509,828,647,680/201,890,918 - Step 6: Final answer
x = 955,498,700.68
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.