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Finding the Third Proportional to 3,421,692 and 7,348,824

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Solution

The third proportional to 3,421,692 and 7,348,824 is: 15,783,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,692 : 7,348,824 = 7,348,824 : x
  2. Step 2: Convert to fraction form
    3,421,692/7,348,824 = 7,348,824/x
  3. Step 3: Cross multiply
    3,421,692x = 7,348,824 × 7,348,824
  4. Step 4: Simplify right side
    3,421,692x = 54,005,214,182,976
  5. Step 5: Solve for x
    x = 54,005,214,182,976/3,421,692
  6. Step 6: Final answer
    x = 15,783,189.77

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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.