Finding the Third Proportional to 212,776,632 and 323,455,142
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Solution
The third proportional to 212,776,632 and 323,455,142 is: 491,704,506.75
Step by Step Solution
- Step 1: Write the proportion equation
212,776,632 : 323,455,142 = 323,455,142 : x - Step 2: Convert to fraction form
212,776,632/323,455,142 = 323,455,142/x - Step 3: Cross multiply
212,776,632x = 323,455,142 × 323,455,142 - Step 4: Simplify right side
212,776,632x = 104,623,228,886,240,160 - Step 5: Solve for x
x = 104,623,228,886,240,160/212,776,632 - Step 6: Final answer
x = 491,704,506.75
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.