Finding the Third Proportional to 66,079,220 and 141,724,138
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Solution
The third proportional to 66,079,220 and 141,724,138 is: 303,964,412.59
Step by Step Solution
- Step 1: Write the proportion equation
66,079,220 : 141,724,138 = 141,724,138 : x - Step 2: Convert to fraction form
66,079,220/141,724,138 = 141,724,138/x - Step 3: Cross multiply
66,079,220x = 141,724,138 × 141,724,138 - Step 4: Simplify right side
66,079,220x = 20,085,731,291,843,044 - Step 5: Solve for x
x = 20,085,731,291,843,044/66,079,220 - Step 6: Final answer
x = 303,964,412.59
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.