Finding the Third Proportional to 87,297,559 and 121,380,279
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Solution
The third proportional to 87,297,559 and 121,380,279 is: 168,769,577.28
Step by Step Solution
- Step 1: Write the proportion equation
87,297,559 : 121,380,279 = 121,380,279 : x - Step 2: Convert to fraction form
87,297,559/121,380,279 = 121,380,279/x - Step 3: Cross multiply
87,297,559x = 121,380,279 × 121,380,279 - Step 4: Simplify right side
87,297,559x = 14,733,172,130,117,840 - Step 5: Solve for x
x = 14,733,172,130,117,840/87,297,559 - Step 6: Final answer
x = 168,769,577.28
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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.