Finding the Third Proportional to 1,278,574.88 and 2,130,684.75
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Solution
The third proportional to 1,278,574.88 and 2,130,684.75 is: 3,550,685.68
Step by Step Solution
- Step 1: Write the proportion equation
1,278,574.88 : 2,130,684.75 = 2,130,684.75 : x - Step 2: Convert to fraction form
1,278,574.88/2,130,684.75 = 2,130,684.75/x - Step 3: Cross multiply
1,278,574.88x = 2,130,684.75 × 2,130,684.75 - Step 4: Simplify right side
1,278,574.88x = 4,539,817,503,882.56 - Step 5: Solve for x
x = 4,539,817,503,882.56/1,278,574.88 - Step 6: Final answer
x = 3,550,685.68
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Why These Related Problems?
These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.