Finding the Third Proportional to 11,781,386.09 and 18,306,855.88
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Solution
The third proportional to 11,781,386.09 and 18,306,855.88 is: 28,446,650.48
Step by Step Solution
- Step 1: Write the proportion equation
11,781,386.09 : 18,306,855.88 = 18,306,855.88 : x - Step 2: Convert to fraction form
11,781,386.09/18,306,855.88 = 18,306,855.88/x - Step 3: Cross multiply
11,781,386.09x = 18,306,855.88 × 18,306,855.88 - Step 4: Simplify right side
11,781,386.09x = 335,140,972,171,035.19 - Step 5: Solve for x
x = 335,140,972,171,035.19/11,781,386.09 - Step 6: Final answer
x = 28,446,650.48
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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.