Finding the Third Proportional to 201,397,457 and 310,992,911
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Solution
The third proportional to 201,397,457 and 310,992,911 is: 480,227,467.28
Step by Step Solution
- Step 1: Write the proportion equation
201,397,457 : 310,992,911 = 310,992,911 : x - Step 2: Convert to fraction form
201,397,457/310,992,911 = 310,992,911/x - Step 3: Cross multiply
201,397,457x = 310,992,911 × 310,992,911 - Step 4: Simplify right side
201,397,457x = 96,716,590,692,253,920 - Step 5: Solve for x
x = 96,716,590,692,253,920/201,397,457 - Step 6: Final answer
x = 480,227,467.28
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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.