Finding the Third Proportional to 1,283,128.88 and 1,986,113.63
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Solution
The third proportional to 1,283,128.88 and 1,986,113.63 is: 3,074,240.95
Step by Step Solution
- Step 1: Write the proportion equation
1,283,128.88 : 1,986,113.63 = 1,986,113.63 : x - Step 2: Convert to fraction form
1,283,128.88/1,986,113.63 = 1,986,113.63/x - Step 3: Cross multiply
1,283,128.88x = 1,986,113.63 × 1,986,113.63 - Step 4: Simplify right side
1,283,128.88x = 3,944,647,331,410.64 - Step 5: Solve for x
x = 3,944,647,331,410.64/1,283,128.88 - Step 6: Final answer
x = 3,074,240.95
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.