Finding the Third Proportional to 979,820 and 1,999,005
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Solution
The third proportional to 979,820 and 1,999,005 is: 4,078,321.52
Step by Step Solution
- Step 1: Write the proportion equation
979,820 : 1,999,005 = 1,999,005 : x - Step 2: Convert to fraction form
979,820/1,999,005 = 1,999,005/x - Step 3: Cross multiply
979,820x = 1,999,005 × 1,999,005 - Step 4: Simplify right side
979,820x = 3,996,020,990,025 - Step 5: Solve for x
x = 3,996,020,990,025/979,820 - Step 6: Final answer
x = 4,078,321.52
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These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.