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Finding the Third Proportional to 1,421,508 and 3,355,683

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Solution

The third proportional to 1,421,508 and 3,355,683 is: 7,921,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,508 : 3,355,683 = 3,355,683 : x
  2. Step 2: Convert to fraction form
    1,421,508/3,355,683 = 3,355,683/x
  3. Step 3: Cross multiply
    1,421,508x = 3,355,683 × 3,355,683
  4. Step 4: Simplify right side
    1,421,508x = 11,260,608,396,489
  5. Step 5: Solve for x
    x = 11,260,608,396,489/1,421,508
  6. Step 6: Final answer
    x = 7,921,593.40

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.