Finding the Third Proportional to 7,077,517 and 15,479,735
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Solution
The third proportional to 7,077,517 and 15,479,735 is: 33,856,816.69
Step by Step Solution
- Step 1: Write the proportion equation
7,077,517 : 15,479,735 = 15,479,735 : x - Step 2: Convert to fraction form
7,077,517/15,479,735 = 15,479,735/x - Step 3: Cross multiply
7,077,517x = 15,479,735 × 15,479,735 - Step 4: Simplify right side
7,077,517x = 239,622,195,670,225 - Step 5: Solve for x
x = 239,622,195,670,225/7,077,517 - Step 6: Final answer
x = 33,856,816.69
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.