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Finding the Third Proportional to 12,195,529 and 18,894,720

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Solution

The third proportional to 12,195,529 and 18,894,720 is: 29,273,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,529 : 18,894,720 = 18,894,720 : x
  2. Step 2: Convert to fraction form
    12,195,529/18,894,720 = 18,894,720/x
  3. Step 3: Cross multiply
    12,195,529x = 18,894,720 × 18,894,720
  4. Step 4: Simplify right side
    12,195,529x = 357,010,443,878,400
  5. Step 5: Solve for x
    x = 357,010,443,878,400/12,195,529
  6. Step 6: Final answer
    x = 29,273,879.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.