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Finding the Third Proportional to 3,312,744 and 7,147,413

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Solution

The third proportional to 3,312,744 and 7,147,413 is: 15,420,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,744 : 7,147,413 = 7,147,413 : x
  2. Step 2: Convert to fraction form
    3,312,744/7,147,413 = 7,147,413/x
  3. Step 3: Cross multiply
    3,312,744x = 7,147,413 × 7,147,413
  4. Step 4: Simplify right side
    3,312,744x = 51,085,512,592,569
  5. Step 5: Solve for x
    x = 51,085,512,592,569/3,312,744
  6. Step 6: Final answer
    x = 15,420,905.63

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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.