Finding the Third Proportional to 830,520 and 1,806,840
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Solution
The third proportional to 830,520 and 1,806,840 is: 3,930,875.58
Step by Step Solution
- Step 1: Write the proportion equation
830,520 : 1,806,840 = 1,806,840 : x - Step 2: Convert to fraction form
830,520/1,806,840 = 1,806,840/x - Step 3: Cross multiply
830,520x = 1,806,840 × 1,806,840 - Step 4: Simplify right side
830,520x = 3,264,670,785,600 - Step 5: Solve for x
x = 3,264,670,785,600/830,520 - Step 6: Final answer
x = 3,930,875.58
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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.