Finding the Third Proportional to 6,378,972 and 13,643,112
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Solution
The third proportional to 6,378,972 and 13,643,112 is: 29,179,388.94
Step by Step Solution
- Step 1: Write the proportion equation
6,378,972 : 13,643,112 = 13,643,112 : x - Step 2: Convert to fraction form
6,378,972/13,643,112 = 13,643,112/x - Step 3: Cross multiply
6,378,972x = 13,643,112 × 13,643,112 - Step 4: Simplify right side
6,378,972x = 186,134,505,044,544 - Step 5: Solve for x
x = 186,134,505,044,544/6,378,972 - Step 6: Final answer
x = 29,179,388.94
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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.