Finding the Third Proportional to 873,420 and 1,909,767
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Solution
The third proportional to 873,420 and 1,909,767 is: 4,175,780.26
Step by Step Solution
- Step 1: Write the proportion equation
873,420 : 1,909,767 = 1,909,767 : x - Step 2: Convert to fraction form
873,420/1,909,767 = 1,909,767/x - Step 3: Cross multiply
873,420x = 1,909,767 × 1,909,767 - Step 4: Simplify right side
873,420x = 3,647,209,994,289 - Step 5: Solve for x
x = 3,647,209,994,289/873,420 - Step 6: Final answer
x = 4,175,780.26
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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.