Finding the Third Proportional to 76,997,104 and 171,209,529
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Solution
The third proportional to 76,997,104 and 171,209,529 is: 380,698,770.44
Step by Step Solution
- Step 1: Write the proportion equation
76,997,104 : 171,209,529 = 171,209,529 : x - Step 2: Convert to fraction form
76,997,104/171,209,529 = 171,209,529/x - Step 3: Cross multiply
76,997,104x = 171,209,529 × 171,209,529 - Step 4: Simplify right side
76,997,104x = 29,312,702,820,401,840 - Step 5: Solve for x
x = 29,312,702,820,401,840/76,997,104 - Step 6: Final answer
x = 380,698,770.44
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.