Finding the Third Proportional to 789,650 and 1,125,411
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Solution
The third proportional to 789,650 and 1,125,411 is: 1,603,938.35
Step by Step Solution
- Step 1: Write the proportion equation
789,650 : 1,125,411 = 1,125,411 : x - Step 2: Convert to fraction form
789,650/1,125,411 = 1,125,411/x - Step 3: Cross multiply
789,650x = 1,125,411 × 1,125,411 - Step 4: Simplify right side
789,650x = 1,266,549,918,921 - Step 5: Solve for x
x = 1,266,549,918,921/789,650 - Step 6: Final answer
x = 1,603,938.35
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.