Finding the Third Proportional to 643,676 and 900,328
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Solution
The third proportional to 643,676 and 900,328 is: 1,259,314.48
Step by Step Solution
- Step 1: Write the proportion equation
643,676 : 900,328 = 900,328 : x - Step 2: Convert to fraction form
643,676/900,328 = 900,328/x - Step 3: Cross multiply
643,676x = 900,328 × 900,328 - Step 4: Simplify right side
643,676x = 810,590,507,584 - Step 5: Solve for x
x = 810,590,507,584/643,676 - Step 6: Final answer
x = 1,259,314.48
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.