Finding the Third Proportional to 815,348 and 1,918,463
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Solution
The third proportional to 815,348 and 1,918,463 is: 4,514,023.81
Step by Step Solution
- Step 1: Write the proportion equation
815,348 : 1,918,463 = 1,918,463 : x - Step 2: Convert to fraction form
815,348/1,918,463 = 1,918,463/x - Step 3: Cross multiply
815,348x = 1,918,463 × 1,918,463 - Step 4: Simplify right side
815,348x = 3,680,500,282,369 - Step 5: Solve for x
x = 3,680,500,282,369/815,348 - Step 6: Final answer
x = 4,514,023.81
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Why These Related Problems?
These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.