Finding the Third Proportional to 864,641 and 1,381,283
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Solution
The third proportional to 864,641 and 1,381,283 is: 2,206,629.95
Step by Step Solution
- Step 1: Write the proportion equation
864,641 : 1,381,283 = 1,381,283 : x - Step 2: Convert to fraction form
864,641/1,381,283 = 1,381,283/x - Step 3: Cross multiply
864,641x = 1,381,283 × 1,381,283 - Step 4: Simplify right side
864,641x = 1,907,942,726,089 - Step 5: Solve for x
x = 1,907,942,726,089/864,641 - Step 6: Final answer
x = 2,206,629.95
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Why These Related Problems?
These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.