Finding the Third Proportional to 974,374 and 2,125,811
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Solution
The third proportional to 974,374 and 2,125,811 is: 4,637,923.84
Step by Step Solution
- Step 1: Write the proportion equation
974,374 : 2,125,811 = 2,125,811 : x - Step 2: Convert to fraction form
974,374/2,125,811 = 2,125,811/x - Step 3: Cross multiply
974,374x = 2,125,811 × 2,125,811 - Step 4: Simplify right side
974,374x = 4,519,072,407,721 - Step 5: Solve for x
x = 4,519,072,407,721/974,374 - Step 6: Final answer
x = 4,637,923.84
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.