Finding the Third Proportional to 201,890,920 and 439,211,240
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Solution
The third proportional to 201,890,920 and 439,211,240 is: 955,498,708.62
Step by Step Solution
- Step 1: Write the proportion equation
201,890,920 : 439,211,240 = 439,211,240 : x - Step 2: Convert to fraction form
201,890,920/439,211,240 = 439,211,240/x - Step 3: Cross multiply
201,890,920x = 439,211,240 × 439,211,240 - Step 4: Simplify right side
201,890,920x = 192,906,513,342,337,600 - Step 5: Solve for x
x = 192,906,513,342,337,600/201,890,920 - Step 6: Final answer
x = 955,498,708.62
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.