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Finding the Third Proportional to 414,588 and 855,348

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Solution

The third proportional to 414,588 and 855,348 is: 1,764,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,588 : 855,348 = 855,348 : x
  2. Step 2: Convert to fraction form
    414,588/855,348 = 855,348/x
  3. Step 3: Cross multiply
    414,588x = 855,348 × 855,348
  4. Step 4: Simplify right side
    414,588x = 731,620,201,104
  5. Step 5: Solve for x
    x = 731,620,201,104/414,588
  6. Step 6: Final answer
    x = 1,764,692.18

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.