Finding the Third Proportional to 720,976 and 1,555,942
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Solution
The third proportional to 720,976 and 1,555,942 is: 3,357,886.40
Step by Step Solution
- Step 1: Write the proportion equation
720,976 : 1,555,942 = 1,555,942 : x - Step 2: Convert to fraction form
720,976/1,555,942 = 1,555,942/x - Step 3: Cross multiply
720,976x = 1,555,942 × 1,555,942 - Step 4: Simplify right side
720,976x = 2,420,955,507,364 - Step 5: Solve for x
x = 2,420,955,507,364/720,976 - Step 6: Final answer
x = 3,357,886.40
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.