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Finding the Third Proportional to 371,877 and 814,995

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Solution

The third proportional to 371,877 and 814,995 is: 1,786,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,877 : 814,995 = 814,995 : x
  2. Step 2: Convert to fraction form
    371,877/814,995 = 814,995/x
  3. Step 3: Cross multiply
    371,877x = 814,995 × 814,995
  4. Step 4: Simplify right side
    371,877x = 664,216,850,025
  5. Step 5: Solve for x
    x = 664,216,850,025/371,877
  6. Step 6: Final answer
    x = 1,786,119.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.