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Finding the Third Proportional to 12,809,057.75 and 27,892,423.75

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Solution

The third proportional to 12,809,057.75 and 27,892,423.75 is: 60,737,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,057.75 : 27,892,423.75 = 27,892,423.75 : x
  2. Step 2: Convert to fraction form
    12,809,057.75/27,892,423.75 = 27,892,423.75/x
  3. Step 3: Cross multiply
    12,809,057.75x = 27,892,423.75 × 27,892,423.75
  4. Step 4: Simplify right side
    12,809,057.75x = 777,987,302,649,564
  5. Step 5: Solve for x
    x = 777,987,302,649,564/12,809,057.75
  6. Step 6: Final answer
    x = 60,737,278.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.