Finding the Third Proportional to 173,243,889 and 385,222,221
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Solution
The third proportional to 173,243,889 and 385,222,221 is: 856,573,703.17
Step by Step Solution
- Step 1: Write the proportion equation
173,243,889 : 385,222,221 = 385,222,221 : x - Step 2: Convert to fraction form
173,243,889/385,222,221 = 385,222,221/x - Step 3: Cross multiply
173,243,889x = 385,222,221 × 385,222,221 - Step 4: Simplify right side
173,243,889x = 148,396,159,552,172,832 - Step 5: Solve for x
x = 148,396,159,552,172,832/173,243,889 - Step 6: Final answer
x = 856,573,703.17
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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.