Finding the Third Proportional to 911,720 and 1,983,982
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Solution
The third proportional to 911,720 and 1,983,982 is: 4,317,317.35
Step by Step Solution
- Step 1: Write the proportion equation
911,720 : 1,983,982 = 1,983,982 : x - Step 2: Convert to fraction form
911,720/1,983,982 = 1,983,982/x - Step 3: Cross multiply
911,720x = 1,983,982 × 1,983,982 - Step 4: Simplify right side
911,720x = 3,936,184,576,324 - Step 5: Solve for x
x = 3,936,184,576,324/911,720 - Step 6: Final answer
x = 4,317,317.35
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.