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Finding the Third Proportional to 438,908 and 943,291

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Solution

The third proportional to 438,908 and 943,291 is: 2,027,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,908 : 943,291 = 943,291 : x
  2. Step 2: Convert to fraction form
    438,908/943,291 = 943,291/x
  3. Step 3: Cross multiply
    438,908x = 943,291 × 943,291
  4. Step 4: Simplify right side
    438,908x = 889,797,910,681
  5. Step 5: Solve for x
    x = 889,797,910,681/438,908
  6. Step 6: Final answer
    x = 2,027,299.37

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.