Finding the Third Proportional to 938,150 and 1,829,638
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Solution
The third proportional to 938,150 and 1,829,638 is: 3,568,272.89
Step by Step Solution
- Step 1: Write the proportion equation
938,150 : 1,829,638 = 1,829,638 : x - Step 2: Convert to fraction form
938,150/1,829,638 = 1,829,638/x - Step 3: Cross multiply
938,150x = 1,829,638 × 1,829,638 - Step 4: Simplify right side
938,150x = 3,347,575,211,044 - Step 5: Solve for x
x = 3,347,575,211,044/938,150 - Step 6: Final answer
x = 3,568,272.89
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Why These Related Problems?
These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.