Finding the Third Proportional to 1,421,235 and 2,186,745.75
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Solution
The third proportional to 1,421,235 and 2,186,745.75 is: 3,364,578.68
Step by Step Solution
- Step 1: Write the proportion equation
1,421,235 : 2,186,745.75 = 2,186,745.75 : x - Step 2: Convert to fraction form
1,421,235/2,186,745.75 = 2,186,745.75/x - Step 3: Cross multiply
1,421,235x = 2,186,745.75 × 2,186,745.75 - Step 4: Simplify right side
1,421,235x = 4,781,856,975,143.06 - Step 5: Solve for x
x = 4,781,856,975,143.06/1,421,235 - Step 6: Final answer
x = 3,364,578.68
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.