Finding the Third Proportional to 631,625 and 1,381,351
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Solution
The third proportional to 631,625 and 1,381,351 is: 3,020,986.48
Step by Step Solution
- Step 1: Write the proportion equation
631,625 : 1,381,351 = 1,381,351 : x - Step 2: Convert to fraction form
631,625/1,381,351 = 1,381,351/x - Step 3: Cross multiply
631,625x = 1,381,351 × 1,381,351 - Step 4: Simplify right side
631,625x = 1,908,130,585,201 - Step 5: Solve for x
x = 1,908,130,585,201/631,625 - Step 6: Final answer
x = 3,020,986.48
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.