Finding the Third Proportional to 830,740 and 1,290,174
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Solution
The third proportional to 830,740 and 1,290,174 is: 2,003,694.24
Step by Step Solution
- Step 1: Write the proportion equation
830,740 : 1,290,174 = 1,290,174 : x - Step 2: Convert to fraction form
830,740/1,290,174 = 1,290,174/x - Step 3: Cross multiply
830,740x = 1,290,174 × 1,290,174 - Step 4: Simplify right side
830,740x = 1,664,548,950,276 - Step 5: Solve for x
x = 1,664,548,950,276/830,740 - Step 6: Final answer
x = 2,003,694.24
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.