Finding the Third Proportional to 7,890,782.25 and 16,980,039.75
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Solution
The third proportional to 7,890,782.25 and 16,980,039.75 is: 36,539,057.95
Step by Step Solution
- Step 1: Write the proportion equation
7,890,782.25 : 16,980,039.75 = 16,980,039.75 : x - Step 2: Convert to fraction form
7,890,782.25/16,980,039.75 = 16,980,039.75/x - Step 3: Cross multiply
7,890,782.25x = 16,980,039.75 × 16,980,039.75 - Step 4: Simplify right side
7,890,782.25x = 288,321,749,911,580.06 - Step 5: Solve for x
x = 288,321,749,911,580.06/7,890,782.25 - Step 6: Final answer
x = 36,539,057.95
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.