Finding the Third Proportional to 938,711 and 2,018,939
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Solution
The third proportional to 938,711 and 2,018,939 is: 4,342,246.64
Step by Step Solution
- Step 1: Write the proportion equation
938,711 : 2,018,939 = 2,018,939 : x - Step 2: Convert to fraction form
938,711/2,018,939 = 2,018,939/x - Step 3: Cross multiply
938,711x = 2,018,939 × 2,018,939 - Step 4: Simplify right side
938,711x = 4,076,114,685,721 - Step 5: Solve for x
x = 4,076,114,685,721/938,711 - Step 6: Final answer
x = 4,342,246.64
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.