Finding the Third Proportional to 1,245,490.80 and 1,861,752.09
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Solution
The third proportional to 1,245,490.80 and 1,861,752.09 is: 2,782,935.73
Step by Step Solution
- Step 1: Write the proportion equation
1,245,490.80 : 1,861,752.09 = 1,861,752.09 : x - Step 2: Convert to fraction form
1,245,490.80/1,861,752.09 = 1,861,752.09/x - Step 3: Cross multiply
1,245,490.80x = 1,861,752.09 × 1,861,752.09 - Step 4: Simplify right side
1,245,490.80x = 3,466,120,858,582.51 - Step 5: Solve for x
x = 3,466,120,858,582.51/1,245,490.80 - Step 6: Final answer
x = 2,782,935.73
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.