Finding the Third Proportional to 66,056,166 and 138,135,330
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Solution
The third proportional to 66,056,166 and 138,135,330 is: 288,865,832.66
Step by Step Solution
- Step 1: Write the proportion equation
66,056,166 : 138,135,330 = 138,135,330 : x - Step 2: Convert to fraction form
66,056,166/138,135,330 = 138,135,330/x - Step 3: Cross multiply
66,056,166x = 138,135,330 × 138,135,330 - Step 4: Simplify right side
66,056,166x = 19,081,369,394,208,900 - Step 5: Solve for x
x = 19,081,369,394,208,900/66,056,166 - Step 6: Final answer
x = 288,865,832.66
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.