Finding the Third Proportional to 87,297,555 and 121,380,273
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Solution
The third proportional to 87,297,555 and 121,380,273 is: 168,769,568.33
Step by Step Solution
- Step 1: Write the proportion equation
87,297,555 : 121,380,273 = 121,380,273 : x - Step 2: Convert to fraction form
87,297,555/121,380,273 = 121,380,273/x - Step 3: Cross multiply
87,297,555x = 121,380,273 × 121,380,273 - Step 4: Simplify right side
87,297,555x = 14,733,170,673,554,528 - Step 5: Solve for x
x = 14,733,170,673,554,528/87,297,555 - Step 6: Final answer
x = 168,769,568.33
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.