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Finding the Third Proportional to 395,012 and 875,437

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Solution

The third proportional to 395,012 and 875,437 is: 1,940,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,012 : 875,437 = 875,437 : x
  2. Step 2: Convert to fraction form
    395,012/875,437 = 875,437/x
  3. Step 3: Cross multiply
    395,012x = 875,437 × 875,437
  4. Step 4: Simplify right side
    395,012x = 766,389,940,969
  5. Step 5: Solve for x
    x = 766,389,940,969/395,012
  6. Step 6: Final answer
    x = 1,940,168.76

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.