Finding the Third Proportional to 201,397,778 and 310,993,393
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Solution
The third proportional to 201,397,778 and 310,993,393 is: 480,228,190.45
Step by Step Solution
- Step 1: Write the proportion equation
201,397,778 : 310,993,393 = 310,993,393 : x - Step 2: Convert to fraction form
201,397,778/310,993,393 = 310,993,393/x - Step 3: Cross multiply
201,397,778x = 310,993,393 × 310,993,393 - Step 4: Simplify right side
201,397,778x = 96,716,890,489,652,448 - Step 5: Solve for x
x = 96,716,890,489,652,448/201,397,778 - Step 6: Final answer
x = 480,228,190.45
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.