Finding the Third Proportional to 643,466 and 1,270,759
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Solution
The third proportional to 643,466 and 1,270,759 is: 2,509,578.50
Step by Step Solution
- Step 1: Write the proportion equation
643,466 : 1,270,759 = 1,270,759 : x - Step 2: Convert to fraction form
643,466/1,270,759 = 1,270,759/x - Step 3: Cross multiply
643,466x = 1,270,759 × 1,270,759 - Step 4: Simplify right side
643,466x = 1,614,828,436,081 - Step 5: Solve for x
x = 1,614,828,436,081/643,466 - Step 6: Final answer
x = 2,509,578.50
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These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.