Finding the Third Proportional to 201,397,920 and 310,993,617
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Solution
The third proportional to 201,397,920 and 310,993,617 is: 480,228,543.65
Step by Step Solution
- Step 1: Write the proportion equation
201,397,920 : 310,993,617 = 310,993,617 : x - Step 2: Convert to fraction form
201,397,920/310,993,617 = 310,993,617/x - Step 3: Cross multiply
201,397,920x = 310,993,617 × 310,993,617 - Step 4: Simplify right side
201,397,920x = 96,717,029,814,742,688 - Step 5: Solve for x
x = 96,717,029,814,742,688/201,397,920 - Step 6: Final answer
x = 480,228,543.65
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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.