Finding the Third Proportional to 974,390 and 2,125,844
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Solution
The third proportional to 974,390 and 2,125,844 is: 4,637,991.68
Step by Step Solution
- Step 1: Write the proportion equation
974,390 : 2,125,844 = 2,125,844 : x - Step 2: Convert to fraction form
974,390/2,125,844 = 2,125,844/x - Step 3: Cross multiply
974,390x = 2,125,844 × 2,125,844 - Step 4: Simplify right side
974,390x = 4,519,212,712,336 - Step 5: Solve for x
x = 4,519,212,712,336/974,390 - Step 6: Final answer
x = 4,637,991.68
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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.