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Finding the Third Proportional to 874,691 and 1,819,214

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Solution

The third proportional to 874,691 and 1,819,214 is: 3,783,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,691 : 1,819,214 = 1,819,214 : x
  2. Step 2: Convert to fraction form
    874,691/1,819,214 = 1,819,214/x
  3. Step 3: Cross multiply
    874,691x = 1,819,214 × 1,819,214
  4. Step 4: Simplify right side
    874,691x = 3,309,539,577,796
  5. Step 5: Solve for x
    x = 3,309,539,577,796/874,691
  6. Step 6: Final answer
    x = 3,783,667.12

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.