Finding the Third Proportional to 679,220 and 1,476,376
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Solution
The third proportional to 679,220 and 1,476,376 is: 3,209,101.75
Step by Step Solution
- Step 1: Write the proportion equation
679,220 : 1,476,376 = 1,476,376 : x - Step 2: Convert to fraction form
679,220/1,476,376 = 1,476,376/x - Step 3: Cross multiply
679,220x = 1,476,376 × 1,476,376 - Step 4: Simplify right side
679,220x = 2,179,686,093,376 - Step 5: Solve for x
x = 2,179,686,093,376/679,220 - Step 6: Final answer
x = 3,209,101.75
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.