Finding the Third Proportional to 917,793 and 1,968,385
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Solution
The third proportional to 917,793 and 1,968,385 is: 4,221,583.20
Step by Step Solution
- Step 1: Write the proportion equation
917,793 : 1,968,385 = 1,968,385 : x - Step 2: Convert to fraction form
917,793/1,968,385 = 1,968,385/x - Step 3: Cross multiply
917,793x = 1,968,385 × 1,968,385 - Step 4: Simplify right side
917,793x = 3,874,539,508,225 - Step 5: Solve for x
x = 3,874,539,508,225/917,793 - Step 6: Final answer
x = 4,221,583.20
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.