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Finding the Third Proportional to 939,165 and 2,028,402

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Solution

The third proportional to 939,165 and 2,028,402 is: 4,380,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,165 : 2,028,402 = 2,028,402 : x
  2. Step 2: Convert to fraction form
    939,165/2,028,402 = 2,028,402/x
  3. Step 3: Cross multiply
    939,165x = 2,028,402 × 2,028,402
  4. Step 4: Simplify right side
    939,165x = 4,114,414,673,604
  5. Step 5: Solve for x
    x = 4,114,414,673,604/939,165
  6. Step 6: Final answer
    x = 4,380,928.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.