Finding the Third Proportional to 889,774 and 1,919,515
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Solution
The third proportional to 889,774 and 1,919,515 is: 4,140,981.68
Step by Step Solution
- Step 1: Write the proportion equation
889,774 : 1,919,515 = 1,919,515 : x - Step 2: Convert to fraction form
889,774/1,919,515 = 1,919,515/x - Step 3: Cross multiply
889,774x = 1,919,515 × 1,919,515 - Step 4: Simplify right side
889,774x = 3,684,537,835,225 - Step 5: Solve for x
x = 3,684,537,835,225/889,774 - Step 6: Final answer
x = 4,140,981.68
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.